21302190

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2$

素因数の和:73

約数の個数: 240

約数和(自身を含む): 74888352

約数和(自身を除く): 53586162

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 17, 18, 21, 26, 27, 30, 34, 35, 39, 42, 45, 51, 54, 63, 65, 70, 78, 81, 85, 90, 91, 102, 105, 117, 119, 126, 130, 135, 153, 162, 170, 182, 189, 195, 210, 221, 234, 238, 255, 270, 273, 289, 306, 315, 351, 357, 378, 390, 405, 442, 455, 459, 510, 546, 567, 578, 585, 595, 630, 663, 702, 714, 765, 810, 819, 867, 910, 918, 945, 1053, 1071, 1105, 1134, 1170, 1190, 1326, 1365, 1377, 1445, 1530, 1547, 1638, 1734, 1755, 1785, 1890, 1989, 2023, 2106, 2142, 2210, 2295, 2457, 2601, 2730, 2754, 2835, 2890, 3094, 3213, 3315, 3510, 3570, 3757, 3978, 4046, 4095, 4335, 4590, 4641, 4914, 5202, 5265, 5355, 5670, 5967, 6069, 6426, 6630, 6885, 7371, 7514, 7735, 7803, 8190, 8670, 9282, 9639, 9945, 10115, 10530, 10710, 11271, 11934, 12138, 12285, 13005, 13770, 13923, 14742, 15470, 15606, 16065, 17901, 18207, 18785, 19278, 19890, 20230, 22542, 23205, 23409, 24570, 26010, 26299, 27846, 29835, 30345, 32130, 33813, 35802, 36414, 36855, 37570, 39015, 41769, 46410, 46818, 48195, 52598, 54621, 56355, 59670, 60690, 67626, 69615, 73710, 78030, 78897, 83538, 89505, 91035, 96390, 101439, 109242, 112710, 117045, 125307, 131495, 139230, 157794, 163863, 169065, 179010, 182070, 202878, 208845, 234090, 236691, 250614, 262990, 273105, 304317, 327726, 338130, 394485, 417690, 473382, 507195, 546210, 608634, 626535, 710073, 788970, 819315, 1014390, 1183455, 1253070, 1420146, 1521585, 1638630, 2130219, 2366910, 3043170, 3550365, 4260438, 7100730, 10651095, 21302190]

約数ペア:

[(1, 21302190), (2, 10651095), (3, 7100730), (5, 4260438), (6, 3550365), (7, 3043170), (9, 2366910), (10, 2130219), (13, 1638630), (14, 1521585), (15, 1420146), (17, 1253070), (18, 1183455), (21, 1014390), (26, 819315), (27, 788970), (30, 710073), (34, 626535), (35, 608634), (39, 546210), (42, 507195), (45, 473382), (51, 417690), (54, 394485), (63, 338130), (65, 327726), (70, 304317), (78, 273105), (81, 262990), (85, 250614), (90, 236691), (91, 234090), (102, 208845), (105, 202878), (117, 182070), (119, 179010), (126, 169065), (130, 163863), (135, 157794), (153, 139230), (162, 131495), (170, 125307), (182, 117045), (189, 112710), (195, 109242), (210, 101439), (221, 96390), (234, 91035), (238, 89505), (255, 83538), (270, 78897), (273, 78030), (289, 73710), (306, 69615), (315, 67626), (351, 60690), (357, 59670), (378, 56355), (390, 54621), (405, 52598), (442, 48195), (455, 46818), (459, 46410), (510, 41769), (546, 39015), (567, 37570), (578, 36855), (585, 36414), (595, 35802), (630, 33813), (663, 32130), (702, 30345), (714, 29835), (765, 27846), (810, 26299), (819, 26010), (867, 24570), (910, 23409), (918, 23205), (945, 22542), (1053, 20230), (1071, 19890), (1105, 19278), (1134, 18785), (1170, 18207), (1190, 17901), (1326, 16065), (1365, 15606), (1377, 15470), (1445, 14742), (1530, 13923), (1547, 13770), (1638, 13005), (1734, 12285), (1755, 12138), (1785, 11934), (1890, 11271), (1989, 10710), (2023, 10530), (2106, 10115), (2142, 9945), (2210, 9639), (2295, 9282), (2457, 8670), (2601, 8190), (2730, 7803), (2754, 7735), (2835, 7514), (2890, 7371), (3094, 6885), (3213, 6630), (3315, 6426), (3510, 6069), (3570, 5967), (3757, 5670), (3978, 5355), (4046, 5265), (4095, 5202), (4335, 4914), (4590, 4641)]