21290146

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{577}}^1\times {\mathrm{971}}^1$

素因数の和:1569

約数の個数: 16

約数和(自身を含む): 33708960

約数和(自身を除く): 12418814

約数列:

[1, 2, 19, 38, 577, 971, 1154, 1942, 10963, 18449, 21926, 36898, 560267, 1120534, 10645073, 21290146]

約数ペア:

[(1, 21290146), (2, 10645073), (19, 1120534), (38, 560267), (577, 36898), (971, 21926), (1154, 18449), (1942, 10963)]