21557862

素因数分解:

$2^1\times 3^2\times {\mathrm{97}}^1\times {\mathrm{12347}}^1$

素因数の和:12452

約数の個数: 24

約数和(自身を含む): 47194056

約数和(自身を除く): 25636194

約数列:

[1, 2, 3, 6, 9, 18, 97, 194, 291, 582, 873, 1746, 12347, 24694, 37041, 74082, 111123, 222246, 1197659, 2395318, 3592977, 7185954, 10778931, 21557862]

約数ペア:

[(1, 21557862), (2, 10778931), (3, 7185954), (6, 3592977), (9, 2395318), (18, 1197659), (97, 222246), (194, 111123), (291, 74082), (582, 37041), (873, 24694), (1746, 12347)]