21679915485

素因数分解:

$3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{599}}^1\times {\mathrm{17359}}^1$

素因数の和:18105

約数の個数: 32

約数和(自身を含む): 34997760000

約数和(自身を除く): 13317844515

約数列:

[1, 3, 5, 15, 139, 417, 599, 695, 1797, 2085, 2995, 8985, 17359, 52077, 83261, 86795, 249783, 260385, 416305, 1248915, 2412901, 7238703, 10398041, 12064505, 31194123, 36193515, 51990205, 155970615, 1445327699, 4335983097, 7226638495, 21679915485]

約数ペア:

[(1, 21679915485), (3, 7226638495), (5, 4335983097), (15, 1445327699), (139, 155970615), (417, 51990205), (599, 36193515), (695, 31194123), (1797, 12064505), (2085, 10398041), (2995, 7238703), (8985, 2412901), (17359, 1248915), (52077, 416305), (83261, 260385), (86795, 249783)]