21706093630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{340061}}^1$

素因数の和:340572

約数の個数: 32

約数和(自身を含む): 42162247008

約数和(自身を除く): 20456153378

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 491, 982, 2455, 4910, 6383, 12766, 31915, 63830, 340061, 680122, 1700305, 3400610, 4420793, 8841586, 22103965, 44207930, 166969951, 333939902, 834849755, 1669699510, 2170609363, 4341218726, 10853046815, 21706093630]

約数ペア:

[(1, 21706093630), (2, 10853046815), (5, 4341218726), (10, 2170609363), (13, 1669699510), (26, 834849755), (65, 333939902), (130, 166969951), (491, 44207930), (982, 22103965), (2455, 8841586), (4910, 4420793), (6383, 3400610), (12766, 1700305), (31915, 680122), (63830, 340061)]