21803418

素因数分解:

$2^1\times 3^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:83

約数の個数: 192

約数和(自身を含む): 66044160

約数和(自身を除く): 44240742

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 17, 18, 21, 26, 27, 29, 34, 39, 42, 51, 54, 58, 63, 78, 81, 87, 91, 102, 117, 119, 126, 153, 162, 174, 182, 189, 203, 221, 234, 238, 243, 261, 273, 306, 351, 357, 377, 378, 406, 442, 459, 486, 493, 522, 546, 567, 609, 663, 702, 714, 754, 783, 819, 918, 986, 1053, 1071, 1131, 1134, 1218, 1326, 1377, 1479, 1547, 1566, 1638, 1701, 1827, 1989, 2106, 2142, 2262, 2349, 2457, 2639, 2754, 2958, 3094, 3159, 3213, 3393, 3402, 3451, 3654, 3978, 4131, 4437, 4641, 4698, 4914, 5278, 5481, 5967, 6318, 6409, 6426, 6786, 6902, 7047, 7371, 7917, 8262, 8874, 9282, 9639, 10179, 10353, 10962, 11934, 12818, 13311, 13923, 14094, 14742, 15834, 16443, 17901, 19227, 19278, 20358, 20706, 22113, 23751, 26622, 27846, 28917, 30537, 31059, 32886, 35802, 38454, 39933, 41769, 44226, 44863, 47502, 49329, 53703, 57681, 57834, 61074, 62118, 71253, 79866, 83538, 89726, 91611, 93177, 98658, 107406, 115362, 119799, 125307, 134589, 142506, 173043, 183222, 186354, 213759, 239598, 250614, 269178, 279531, 346086, 375921, 403767, 427518, 519129, 559062, 641277, 751842, 807534, 838593, 1038258, 1211301, 1282554, 1557387, 1677186, 2422602, 3114774, 3633903, 7267806, 10901709, 21803418]

約数ペア:

[(1, 21803418), (2, 10901709), (3, 7267806), (6, 3633903), (7, 3114774), (9, 2422602), (13, 1677186), (14, 1557387), (17, 1282554), (18, 1211301), (21, 1038258), (26, 838593), (27, 807534), (29, 751842), (34, 641277), (39, 559062), (42, 519129), (51, 427518), (54, 403767), (58, 375921), (63, 346086), (78, 279531), (81, 269178), (87, 250614), (91, 239598), (102, 213759), (117, 186354), (119, 183222), (126, 173043), (153, 142506), (162, 134589), (174, 125307), (182, 119799), (189, 115362), (203, 107406), (221, 98658), (234, 93177), (238, 91611), (243, 89726), (261, 83538), (273, 79866), (306, 71253), (351, 62118), (357, 61074), (377, 57834), (378, 57681), (406, 53703), (442, 49329), (459, 47502), (486, 44863), (493, 44226), (522, 41769), (546, 39933), (567, 38454), (609, 35802), (663, 32886), (702, 31059), (714, 30537), (754, 28917), (783, 27846), (819, 26622), (918, 23751), (986, 22113), (1053, 20706), (1071, 20358), (1131, 19278), (1134, 19227), (1218, 17901), (1326, 16443), (1377, 15834), (1479, 14742), (1547, 14094), (1566, 13923), (1638, 13311), (1701, 12818), (1827, 11934), (1989, 10962), (2106, 10353), (2142, 10179), (2262, 9639), (2349, 9282), (2457, 8874), (2639, 8262), (2754, 7917), (2958, 7371), (3094, 7047), (3159, 6902), (3213, 6786), (3393, 6426), (3402, 6409), (3451, 6318), (3654, 5967), (3978, 5481), (4131, 5278), (4437, 4914), (4641, 4698)]