21079070

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{701}}^1$

素因数の和:836

約数の個数: 32

約数和(自身を含む): 39626496

約数和(自身を除く): 18547426

約数列:

[1, 2, 5, 10, 31, 62, 97, 155, 194, 310, 485, 701, 970, 1402, 3007, 3505, 6014, 7010, 15035, 21731, 30070, 43462, 67997, 108655, 135994, 217310, 339985, 679970, 2107907, 4215814, 10539535, 21079070]

約数ペア:

[(1, 21079070), (2, 10539535), (5, 4215814), (10, 2107907), (31, 679970), (62, 339985), (97, 217310), (155, 135994), (194, 108655), (310, 67997), (485, 43462), (701, 30070), (970, 21731), (1402, 15035), (3007, 7010), (3505, 6014)]