21547812

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{433}}^1$

素因数の和:493

約数の個数: 96

約数和(自身を含む): 61246080

約数和(自身を除く): 39698268

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 29, 33, 39, 44, 52, 58, 66, 78, 87, 116, 132, 143, 156, 174, 286, 319, 348, 377, 429, 433, 572, 638, 754, 858, 866, 957, 1131, 1276, 1299, 1508, 1716, 1732, 1914, 2262, 2598, 3828, 4147, 4524, 4763, 5196, 5629, 8294, 9526, 11258, 12441, 12557, 14289, 16588, 16887, 19052, 22516, 24882, 25114, 28578, 33774, 37671, 49764, 50228, 57156, 61919, 67548, 75342, 123838, 138127, 150684, 163241, 185757, 247676, 276254, 326482, 371514, 414381, 489723, 552508, 652964, 743028, 828762, 979446, 1657524, 1795651, 1958892, 3591302, 5386953, 7182604, 10773906, 21547812]

約数ペア:

[(1, 21547812), (2, 10773906), (3, 7182604), (4, 5386953), (6, 3591302), (11, 1958892), (12, 1795651), (13, 1657524), (22, 979446), (26, 828762), (29, 743028), (33, 652964), (39, 552508), (44, 489723), (52, 414381), (58, 371514), (66, 326482), (78, 276254), (87, 247676), (116, 185757), (132, 163241), (143, 150684), (156, 138127), (174, 123838), (286, 75342), (319, 67548), (348, 61919), (377, 57156), (429, 50228), (433, 49764), (572, 37671), (638, 33774), (754, 28578), (858, 25114), (866, 24882), (957, 22516), (1131, 19052), (1276, 16887), (1299, 16588), (1508, 14289), (1716, 12557), (1732, 12441), (1914, 11258), (2262, 9526), (2598, 8294), (3828, 5629), (4147, 5196), (4524, 4763)]