21591250

素因数分解:

$2^1\times 5^4\times {\mathrm{23}}^1\times {\mathrm{751}}^1$

素因数の和:796

約数の個数: 40

約数和(自身を含む): 42286464

約数和(自身を除く): 20695214

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 125, 230, 250, 575, 625, 751, 1150, 1250, 1502, 2875, 3755, 5750, 7510, 14375, 17273, 18775, 28750, 34546, 37550, 86365, 93875, 172730, 187750, 431825, 469375, 863650, 938750, 2159125, 4318250, 10795625, 21591250]

約数ペア:

[(1, 21591250), (2, 10795625), (5, 4318250), (10, 2159125), (23, 938750), (25, 863650), (46, 469375), (50, 431825), (115, 187750), (125, 172730), (230, 93875), (250, 86365), (575, 37550), (625, 34546), (751, 28750), (1150, 18775), (1250, 17273), (1502, 14375), (2875, 7510), (3755, 5750)]