21642796

素因数分解:

$2^2\times 7^1\times {\mathrm{263}}^1\times {\mathrm{2939}}^1$

素因数の和:3213

約数の個数: 24

約数和(自身を含む): 43464960

約数和(自身を除く): 21822164

約数列:

[1, 2, 4, 7, 14, 28, 263, 526, 1052, 1841, 2939, 3682, 5878, 7364, 11756, 20573, 41146, 82292, 772957, 1545914, 3091828, 5410699, 10821398, 21642796]

約数ペア:

[(1, 21642796), (2, 10821398), (4, 5410699), (7, 3091828), (14, 1545914), (28, 772957), (263, 82292), (526, 41146), (1052, 20573), (1841, 11756), (2939, 7364), (3682, 5878)]