21133170

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2699}}^1$

素因数の和:2744

約数の個数: 64

約数和(自身を含む): 58320000

約数和(自身を除く): 37186830

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 29, 30, 45, 54, 58, 87, 90, 135, 145, 174, 261, 270, 290, 435, 522, 783, 870, 1305, 1566, 2610, 2699, 3915, 5398, 7830, 8097, 13495, 16194, 24291, 26990, 40485, 48582, 72873, 78271, 80970, 121455, 145746, 156542, 234813, 242910, 364365, 391355, 469626, 704439, 728730, 782710, 1174065, 1408878, 2113317, 2348130, 3522195, 4226634, 7044390, 10566585, 21133170]

約数ペア:

[(1, 21133170), (2, 10566585), (3, 7044390), (5, 4226634), (6, 3522195), (9, 2348130), (10, 2113317), (15, 1408878), (18, 1174065), (27, 782710), (29, 728730), (30, 704439), (45, 469626), (54, 391355), (58, 364365), (87, 242910), (90, 234813), (135, 156542), (145, 145746), (174, 121455), (261, 80970), (270, 78271), (290, 72873), (435, 48582), (522, 40485), (783, 26990), (870, 24291), (1305, 16194), (1566, 13495), (2610, 8097), (2699, 7830), (3915, 5398)]