21754920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{16481}}^1$

素因数の和:16506

約数の個数: 64

約数和(自身を含む): 71202240

約数和(自身を除く): 49447320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 16481, 32962, 49443, 65924, 82405, 98886, 131848, 164810, 181291, 197772, 247215, 329620, 362582, 395544, 494430, 543873, 659240, 725164, 906455, 988860, 1087746, 1450328, 1812910, 1977720, 2175492, 2719365, 3625820, 4350984, 5438730, 7251640, 10877460, 21754920]

約数ペア:

[(1, 21754920), (2, 10877460), (3, 7251640), (4, 5438730), (5, 4350984), (6, 3625820), (8, 2719365), (10, 2175492), (11, 1977720), (12, 1812910), (15, 1450328), (20, 1087746), (22, 988860), (24, 906455), (30, 725164), (33, 659240), (40, 543873), (44, 494430), (55, 395544), (60, 362582), (66, 329620), (88, 247215), (110, 197772), (120, 181291), (132, 164810), (165, 131848), (220, 98886), (264, 82405), (330, 65924), (440, 49443), (660, 32962), (1320, 16481)]