21637954

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{17707}}^1$

素因数の和:17769

約数の個数: 16

約数和(自身を含む): 35699328

約数和(自身を除く): 14061374

約数列:

[1, 2, 13, 26, 47, 94, 611, 1222, 17707, 35414, 230191, 460382, 832229, 1664458, 10818977, 21637954]

約数ペア:

[(1, 21637954), (2, 10818977), (13, 1664458), (26, 832229), (47, 460382), (94, 230191), (611, 35414), (1222, 17707)]