21618806

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{18541}}^1$

素因数の和:18607

約数の個数: 16

約数和(自身を含む): 36045648

約数和(自身を除く): 14426842

約数列:

[1, 2, 11, 22, 53, 106, 583, 1166, 18541, 37082, 203951, 407902, 982673, 1965346, 10809403, 21618806]

約数ペア:

[(1, 21618806), (2, 10809403), (11, 1965346), (22, 982673), (53, 407902), (106, 203951), (583, 37082), (1166, 18541)]