21054890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2953}}^1$

素因数の和:3014

約数の個数: 32

約数和(自身を含む): 40836096

約数和(自身を除く): 19781206

約数列:

[1, 2, 5, 10, 23, 31, 46, 62, 115, 155, 230, 310, 713, 1426, 2953, 3565, 5906, 7130, 14765, 29530, 67919, 91543, 135838, 183086, 339595, 457715, 679190, 915430, 2105489, 4210978, 10527445, 21054890]

約数ペア:

[(1, 21054890), (2, 10527445), (5, 4210978), (10, 2105489), (23, 915430), (31, 679190), (46, 457715), (62, 339595), (115, 183086), (155, 135838), (230, 91543), (310, 67919), (713, 29530), (1426, 14765), (2953, 7130), (3565, 5906)]