21568360060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{322783}}^1$

素因数の和:323062

約数の個数: 48

約数和(自身を含む): 48967623936

約数和(自身を除く): 27399263876

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 257, 260, 514, 1028, 1285, 2570, 3341, 5140, 6682, 13364, 16705, 33410, 66820, 322783, 645566, 1291132, 1613915, 3227830, 4196179, 6455660, 8392358, 16784716, 20980895, 41961790, 82955231, 83923580, 165910462, 331820924, 414776155, 829552310, 1078418003, 1659104620, 2156836006, 4313672012, 5392090015, 10784180030, 21568360060]

約数ペア:

[(1, 21568360060), (2, 10784180030), (4, 5392090015), (5, 4313672012), (10, 2156836006), (13, 1659104620), (20, 1078418003), (26, 829552310), (52, 414776155), (65, 331820924), (130, 165910462), (257, 83923580), (260, 82955231), (514, 41961790), (1028, 20980895), (1285, 16784716), (2570, 8392358), (3341, 6455660), (5140, 4196179), (6682, 3227830), (13364, 1613915), (16705, 1291132), (33410, 645566), (66820, 322783)]