21587310

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{919}}^1$

素因数の和:967

約数の個数: 80

約数和(自身を含む): 60112800

約数和(自身を除く): 38525490

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 45, 54, 58, 81, 87, 90, 135, 145, 162, 174, 261, 270, 290, 405, 435, 522, 783, 810, 870, 919, 1305, 1566, 1838, 2349, 2610, 2757, 3915, 4595, 4698, 5514, 7830, 8271, 9190, 11745, 13785, 16542, 23490, 24813, 26651, 27570, 41355, 49626, 53302, 74439, 79953, 82710, 124065, 133255, 148878, 159906, 239859, 248130, 266510, 372195, 399765, 479718, 719577, 744390, 799530, 1199295, 1439154, 2158731, 2398590, 3597885, 4317462, 7195770, 10793655, 21587310]

約数ペア:

[(1, 21587310), (2, 10793655), (3, 7195770), (5, 4317462), (6, 3597885), (9, 2398590), (10, 2158731), (15, 1439154), (18, 1199295), (27, 799530), (29, 744390), (30, 719577), (45, 479718), (54, 399765), (58, 372195), (81, 266510), (87, 248130), (90, 239859), (135, 159906), (145, 148878), (162, 133255), (174, 124065), (261, 82710), (270, 79953), (290, 74439), (405, 53302), (435, 49626), (522, 41355), (783, 27570), (810, 26651), (870, 24813), (919, 23490), (1305, 16542), (1566, 13785), (1838, 11745), (2349, 9190), (2610, 8271), (2757, 7830), (3915, 5514), (4595, 4698)]