21097907908

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{68499701}}^1$

素因数の和:68499723

約数の個数: 24

約数和(自身を含む): 46031799744

約数和(自身を除く): 24933891836

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 68499701, 136999402, 273998804, 479497907, 753496711, 958995814, 1506993422, 1917991628, 3013986844, 5274476977, 10548953954, 21097907908]

約数ペア:

[(1, 21097907908), (2, 10548953954), (4, 5274476977), (7, 3013986844), (11, 1917991628), (14, 1506993422), (22, 958995814), (28, 753496711), (44, 479497907), (77, 273998804), (154, 136999402), (308, 68499701)]