21599816

素因数分解:

$2^3\times 7^1\times {\mathrm{181}}^1\times {\mathrm{2131}}^1$

素因数の和:2325

約数の個数: 32

約数和(自身を含む): 46562880

約数和(自身を除く): 24963064

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 181, 362, 724, 1267, 1448, 2131, 2534, 4262, 5068, 8524, 10136, 14917, 17048, 29834, 59668, 119336, 385711, 771422, 1542844, 2699977, 3085688, 5399954, 10799908, 21599816]

約数ペア:

[(1, 21599816), (2, 10799908), (4, 5399954), (7, 3085688), (8, 2699977), (14, 1542844), (28, 771422), (56, 385711), (181, 119336), (362, 59668), (724, 29834), (1267, 17048), (1448, 14917), (2131, 10136), (2534, 8524), (4262, 5068)]