21754968

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{751}}^1$

素因数の和:848

約数の個数: 64

約数和(自身を含む): 58475520

約数和(自身を除く): 36720552

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 71, 102, 136, 142, 204, 213, 284, 408, 426, 568, 751, 852, 1207, 1502, 1704, 2253, 2414, 3004, 3621, 4506, 4828, 6008, 7242, 9012, 9656, 12767, 14484, 18024, 25534, 28968, 38301, 51068, 53321, 76602, 102136, 106642, 153204, 159963, 213284, 306408, 319926, 426568, 639852, 906457, 1279704, 1812914, 2719371, 3625828, 5438742, 7251656, 10877484, 21754968]

約数ペア:

[(1, 21754968), (2, 10877484), (3, 7251656), (4, 5438742), (6, 3625828), (8, 2719371), (12, 1812914), (17, 1279704), (24, 906457), (34, 639852), (51, 426568), (68, 319926), (71, 306408), (102, 213284), (136, 159963), (142, 153204), (204, 106642), (213, 102136), (284, 76602), (408, 53321), (426, 51068), (568, 38301), (751, 28968), (852, 25534), (1207, 18024), (1502, 14484), (1704, 12767), (2253, 9656), (2414, 9012), (3004, 7242), (3621, 6008), (4506, 4828)]