21946920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4943}}^1$

素因数の和:4994

約数の個数: 64

約数和(自身を含む): 67633920

約数和(自身を除く): 45687000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 740, 888, 1110, 1480, 2220, 4440, 4943, 9886, 14829, 19772, 24715, 29658, 39544, 49430, 59316, 74145, 98860, 118632, 148290, 182891, 197720, 296580, 365782, 548673, 593160, 731564, 914455, 1097346, 1463128, 1828910, 2194692, 2743365, 3657820, 4389384, 5486730, 7315640, 10973460, 21946920]

約数ペア:

[(1, 21946920), (2, 10973460), (3, 7315640), (4, 5486730), (5, 4389384), (6, 3657820), (8, 2743365), (10, 2194692), (12, 1828910), (15, 1463128), (20, 1097346), (24, 914455), (30, 731564), (37, 593160), (40, 548673), (60, 365782), (74, 296580), (111, 197720), (120, 182891), (148, 148290), (185, 118632), (222, 98860), (296, 74145), (370, 59316), (444, 49430), (555, 39544), (740, 29658), (888, 24715), (1110, 19772), (1480, 14829), (2220, 9886), (4440, 4943)]