21706250

素因数分解:

$2^1\times 5^5\times {\mathrm{23}}^1\times {\mathrm{151}}^1$

素因数の和:201

約数の個数: 48

約数和(自身を含む): 42747264

約数和(自身を除く): 21041014

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 125, 151, 230, 250, 302, 575, 625, 755, 1150, 1250, 1510, 2875, 3125, 3473, 3775, 5750, 6250, 6946, 7550, 14375, 17365, 18875, 28750, 34730, 37750, 71875, 86825, 94375, 143750, 173650, 188750, 434125, 471875, 868250, 943750, 2170625, 4341250, 10853125, 21706250]

約数ペア:

[(1, 21706250), (2, 10853125), (5, 4341250), (10, 2170625), (23, 943750), (25, 868250), (46, 471875), (50, 434125), (115, 188750), (125, 173650), (151, 143750), (230, 94375), (250, 86825), (302, 71875), (575, 37750), (625, 34730), (755, 28750), (1150, 18875), (1250, 17365), (1510, 14375), (2875, 7550), (3125, 6946), (3473, 6250), (3775, 5750)]