21663528

素因数分解:

$2^3\times 3^1\times {\mathrm{181}}^1\times {\mathrm{4987}}^1$

素因数の和:5177

約数の個数: 32

約数和(自身を含む): 54468960

約数和(自身を除く): 32805432

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 181, 362, 543, 724, 1086, 1448, 2172, 4344, 4987, 9974, 14961, 19948, 29922, 39896, 59844, 119688, 902647, 1805294, 2707941, 3610588, 5415882, 7221176, 10831764, 21663528]

約数ペア:

[(1, 21663528), (2, 10831764), (3, 7221176), (4, 5415882), (6, 3610588), (8, 2707941), (12, 1805294), (24, 902647), (181, 119688), (362, 59844), (543, 39896), (724, 29922), (1086, 19948), (1448, 14961), (2172, 9974), (4344, 4987)]