21928098780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{353}}^1\times {\mathrm{7043}}^1$

素因数の和:7425

約数の個数: 216

約数和(自身を含む): 77605072272

約数和(自身を除く): 55676973492

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 353, 420, 441, 490, 588, 630, 706, 735, 882, 980, 1059, 1260, 1412, 1470, 1764, 1765, 2118, 2205, 2471, 2940, 3177, 3530, 4236, 4410, 4942, 5295, 6354, 7043, 7060, 7413, 8820, 9884, 10590, 12355, 12708, 14086, 14826, 15885, 17297, 21129, 21180, 22239, 24710, 28172, 29652, 31770, 34594, 35215, 37065, 42258, 44478, 49301, 49420, 51891, 63387, 63540, 69188, 70430, 74130, 84516, 86485, 88956, 98602, 103782, 105645, 111195, 126774, 140860, 147903, 148260, 155673, 172970, 197204, 207564, 211290, 222390, 246505, 253548, 259455, 295806, 311346, 316935, 345107, 345940, 422580, 443709, 444780, 493010, 518910, 591612, 622692, 633870, 690214, 739515, 778365, 887418, 986020, 1035321, 1037820, 1267740, 1380428, 1479030, 1556730, 1725535, 1774836, 2070642, 2218545, 2486179, 2958060, 3105963, 3113460, 3451070, 4141284, 4437090, 4972358, 5176605, 6211926, 6902140, 7458537, 8874180, 9944716, 10353210, 12423852, 12430895, 14917074, 15529815, 17403253, 20706420, 22375611, 24861790, 29834148, 31059630, 34806506, 37292685, 44751222, 49723580, 52209759, 62119260, 69613012, 74585370, 87016265, 89502444, 104419518, 111878055, 121822771, 149170740, 156629277, 174032530, 208839036, 223756110, 243645542, 261048795, 313258554, 348065060, 365468313, 447512220, 487291084, 522097590, 609113855, 626517108, 730936626, 783146385, 1044195180, 1096404939, 1218227710, 1461873252, 1566292770, 1827341565, 2192809878, 2436455420, 3132585540, 3654683130, 4385619756, 5482024695, 7309366260, 10964049390, 21928098780]

約数ペア:

[(1, 21928098780), (2, 10964049390), (3, 7309366260), (4, 5482024695), (5, 4385619756), (6, 3654683130), (7, 3132585540), (9, 2436455420), (10, 2192809878), (12, 1827341565), (14, 1566292770), (15, 1461873252), (18, 1218227710), (20, 1096404939), (21, 1044195180), (28, 783146385), (30, 730936626), (35, 626517108), (36, 609113855), (42, 522097590), (45, 487291084), (49, 447512220), (60, 365468313), (63, 348065060), (70, 313258554), (84, 261048795), (90, 243645542), (98, 223756110), (105, 208839036), (126, 174032530), (140, 156629277), (147, 149170740), (180, 121822771), (196, 111878055), (210, 104419518), (245, 89502444), (252, 87016265), (294, 74585370), (315, 69613012), (353, 62119260), (420, 52209759), (441, 49723580), (490, 44751222), (588, 37292685), (630, 34806506), (706, 31059630), (735, 29834148), (882, 24861790), (980, 22375611), (1059, 20706420), (1260, 17403253), (1412, 15529815), (1470, 14917074), (1764, 12430895), (1765, 12423852), (2118, 10353210), (2205, 9944716), (2471, 8874180), (2940, 7458537), (3177, 6902140), (3530, 6211926), (4236, 5176605), (4410, 4972358), (4942, 4437090), (5295, 4141284), (6354, 3451070), (7043, 3113460), (7060, 3105963), (7413, 2958060), (8820, 2486179), (9884, 2218545), (10590, 2070642), (12355, 1774836), (12708, 1725535), (14086, 1556730), (14826, 1479030), (15885, 1380428), (17297, 1267740), (21129, 1037820), (21180, 1035321), (22239, 986020), (24710, 887418), (28172, 778365), (29652, 739515), (31770, 690214), (34594, 633870), (35215, 622692), (37065, 591612), (42258, 518910), (44478, 493010), (49301, 444780), (49420, 443709), (51891, 422580), (63387, 345940), (63540, 345107), (69188, 316935), (70430, 311346), (74130, 295806), (84516, 259455), (86485, 253548), (88956, 246505), (98602, 222390), (103782, 211290), (105645, 207564), (111195, 197204), (126774, 172970), (140860, 155673), (147903, 148260)]