21471634

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:298

約数の個数: 32

約数和(自身を含む): 35265600

約数和(自身を除く): 13793966

約数列:

[1, 2, 19, 38, 59, 61, 118, 122, 157, 314, 1121, 1159, 2242, 2318, 2983, 3599, 5966, 7198, 9263, 9577, 18526, 19154, 68381, 136762, 175997, 181963, 351994, 363926, 565043, 1130086, 10735817, 21471634]

約数ペア:

[(1, 21471634), (2, 10735817), (19, 1130086), (38, 565043), (59, 363926), (61, 351994), (118, 181963), (122, 175997), (157, 136762), (314, 68381), (1121, 19154), (1159, 18526), (2242, 9577), (2318, 9263), (2983, 7198), (3599, 5966)]