21597460

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1619}}^1$

素因数の和:1680

約数の個数: 48

約数和(自身を含む): 48988800

約数和(自身を除く): 27391340

約数列:

[1, 2, 4, 5, 10, 20, 23, 29, 46, 58, 92, 115, 116, 145, 230, 290, 460, 580, 667, 1334, 1619, 2668, 3238, 3335, 6476, 6670, 8095, 13340, 16190, 32380, 37237, 46951, 74474, 93902, 148948, 186185, 187804, 234755, 372370, 469510, 744740, 939020, 1079873, 2159746, 4319492, 5399365, 10798730, 21597460]

約数ペア:

[(1, 21597460), (2, 10798730), (4, 5399365), (5, 4319492), (10, 2159746), (20, 1079873), (23, 939020), (29, 744740), (46, 469510), (58, 372370), (92, 234755), (115, 187804), (116, 186185), (145, 148948), (230, 93902), (290, 74474), (460, 46951), (580, 37237), (667, 32380), (1334, 16190), (1619, 13340), (2668, 8095), (3238, 6670), (3335, 6476)]