21976020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1009}}^1$

素因数の和:1046

約数の個数: 108

約数和(自身を含む): 73344180

約数和(自身を除く): 51368160

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 121, 132, 165, 180, 198, 220, 242, 330, 363, 396, 484, 495, 605, 660, 726, 990, 1009, 1089, 1210, 1452, 1815, 1980, 2018, 2178, 2420, 3027, 3630, 4036, 4356, 5045, 5445, 6054, 7260, 9081, 10090, 10890, 11099, 12108, 15135, 18162, 20180, 21780, 22198, 30270, 33297, 36324, 44396, 45405, 55495, 60540, 66594, 90810, 99891, 110990, 122089, 133188, 166485, 181620, 199782, 221980, 244178, 332970, 366267, 399564, 488356, 499455, 610445, 665940, 732534, 998910, 1098801, 1220890, 1465068, 1831335, 1997820, 2197602, 2441780, 3662670, 4395204, 5494005, 7325340, 10988010, 21976020]

約数ペア:

[(1, 21976020), (2, 10988010), (3, 7325340), (4, 5494005), (5, 4395204), (6, 3662670), (9, 2441780), (10, 2197602), (11, 1997820), (12, 1831335), (15, 1465068), (18, 1220890), (20, 1098801), (22, 998910), (30, 732534), (33, 665940), (36, 610445), (44, 499455), (45, 488356), (55, 399564), (60, 366267), (66, 332970), (90, 244178), (99, 221980), (110, 199782), (121, 181620), (132, 166485), (165, 133188), (180, 122089), (198, 110990), (220, 99891), (242, 90810), (330, 66594), (363, 60540), (396, 55495), (484, 45405), (495, 44396), (605, 36324), (660, 33297), (726, 30270), (990, 22198), (1009, 21780), (1089, 20180), (1210, 18162), (1452, 15135), (1815, 12108), (1980, 11099), (2018, 10890), (2178, 10090), (2420, 9081), (3027, 7260), (3630, 6054), (4036, 5445), (4356, 5045)]