21918292575

素因数分解:

$3^1\times 5^2\times {\mathrm{311}}^1\times {\mathrm{617}}^1\times {\mathrm{1523}}^1$

素因数の和:2464

約数の個数: 48

約数和(自身を含む): 36437596416

約数和(自身を除く): 14519303841

約数列:

[1, 3, 5, 15, 25, 75, 311, 617, 933, 1523, 1555, 1851, 3085, 4569, 4665, 7615, 7775, 9255, 15425, 22845, 23325, 38075, 46275, 114225, 191887, 473653, 575661, 939691, 959435, 1420959, 2368265, 2819073, 2878305, 4698455, 4797175, 7104795, 11841325, 14095365, 14391525, 23492275, 35523975, 70476825, 292243901, 876731703, 1461219505, 4383658515, 7306097525, 21918292575]

約数ペア:

[(1, 21918292575), (3, 7306097525), (5, 4383658515), (15, 1461219505), (25, 876731703), (75, 292243901), (311, 70476825), (617, 35523975), (933, 23492275), (1523, 14391525), (1555, 14095365), (1851, 11841325), (3085, 7104795), (4569, 4797175), (4665, 4698455), (7615, 2878305), (7775, 2819073), (9255, 2368265), (15425, 1420959), (22845, 959435), (23325, 939691), (38075, 575661), (46275, 473653), (114225, 191887)]