21876430

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{35863}}^1$

素因数の和:35931

約数の個数: 16

約数和(自身を含む): 40024224

約数和(自身を除く): 18147794

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 35863, 71726, 179315, 358630, 2187643, 4375286, 10938215, 21876430]

約数ペア:

[(1, 21876430), (2, 10938215), (5, 4375286), (10, 2187643), (61, 358630), (122, 179315), (305, 71726), (610, 35863)]