21731794

素因数分解:

$2^1\times 7^3\times {\mathrm{79}}^1\times {\mathrm{401}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 38592000

約数和(自身を除く): 16860206

約数列:

[1, 2, 7, 14, 49, 79, 98, 158, 343, 401, 553, 686, 802, 1106, 2807, 3871, 5614, 7742, 19649, 27097, 31679, 39298, 54194, 63358, 137543, 221753, 275086, 443506, 1552271, 3104542, 10865897, 21731794]

約数ペア:

[(1, 21731794), (2, 10865897), (7, 3104542), (14, 1552271), (49, 443506), (79, 275086), (98, 221753), (158, 137543), (343, 63358), (401, 54194), (553, 39298), (686, 31679), (802, 27097), (1106, 19649), (2807, 7742), (3871, 5614)]