21665610

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2767}}^1$

素因数の和:2812

約数の個数: 64

約数和(自身を含む): 59788800

約数和(自身を除く): 38123190

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, 2767, 3915, 5534, 7830, 8301, 13835, 16602, 24903, 27670, 41505, 49806, 74709, 80243, 83010, 124515, 149418, 160486, 240729, 249030, 373545, 401215, 481458, 722187, 747090, 802430, 1203645, 1444374, 2166561, 2407290, 3610935, 4333122, 7221870, 10832805, 21665610]

約数ペア:

[(1, 21665610), (2, 10832805), (3, 7221870), (5, 4333122), (6, 3610935), (9, 2407290), (10, 2166561), (15, 1444374), (18, 1203645), (27, 802430), (29, 747090), (30, 722187), (45, 481458), (54, 401215), (58, 373545), (87, 249030), (90, 240729), (135, 160486), (145, 149418), (174, 124515), (261, 83010), (270, 80243), (290, 74709), (435, 49806), (522, 41505), (783, 27670), (870, 24903), (1305, 16602), (1566, 13835), (2610, 8301), (2767, 7830), (3915, 5534)]