21663216

素因数分解:

$2^4\times 3^2\times {\mathrm{150439}}^1$

素因数の和:150453

約数の個数: 30

約数和(自身を含む): 60627320

約数和(自身を除く): 38964104

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 150439, 300878, 451317, 601756, 902634, 1203512, 1353951, 1805268, 2407024, 2707902, 3610536, 5415804, 7221072, 10831608, 21663216]

約数ペア:

[(1, 21663216), (2, 10831608), (3, 7221072), (4, 5415804), (6, 3610536), (8, 2707902), (9, 2407024), (12, 1805268), (16, 1353951), (18, 1203512), (24, 902634), (36, 601756), (48, 451317), (72, 300878), (144, 150439)]