21564888

素因数分解:

$2^3\times 3^1\times {\mathrm{67}}^1\times {\mathrm{13411}}^1$

素因数の和:13487

約数の個数: 32

約数和(自身を含む): 54720960

約数和(自身を除く): 33156072

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 67, 134, 201, 268, 402, 536, 804, 1608, 13411, 26822, 40233, 53644, 80466, 107288, 160932, 321864, 898537, 1797074, 2695611, 3594148, 5391222, 7188296, 10782444, 21564888]

約数ペア:

[(1, 21564888), (2, 10782444), (3, 7188296), (4, 5391222), (6, 3594148), (8, 2695611), (12, 1797074), (24, 898537), (67, 321864), (134, 160932), (201, 107288), (268, 80466), (402, 53644), (536, 40233), (804, 26822), (1608, 13411)]