21467820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2957}}^1$

素因数の和:2991

約数の個数: 72

約数和(自身を含む): 66093552

約数和(自身を除く): 44625732

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 121, 132, 165, 220, 242, 330, 363, 484, 605, 660, 726, 1210, 1452, 1815, 2420, 2957, 3630, 5914, 7260, 8871, 11828, 14785, 17742, 29570, 32527, 35484, 44355, 59140, 65054, 88710, 97581, 130108, 162635, 177420, 195162, 325270, 357797, 390324, 487905, 650540, 715594, 975810, 1073391, 1431188, 1788985, 1951620, 2146782, 3577970, 4293564, 5366955, 7155940, 10733910, 21467820]

約数ペア:

[(1, 21467820), (2, 10733910), (3, 7155940), (4, 5366955), (5, 4293564), (6, 3577970), (10, 2146782), (11, 1951620), (12, 1788985), (15, 1431188), (20, 1073391), (22, 975810), (30, 715594), (33, 650540), (44, 487905), (55, 390324), (60, 357797), (66, 325270), (110, 195162), (121, 177420), (132, 162635), (165, 130108), (220, 97581), (242, 88710), (330, 65054), (363, 59140), (484, 44355), (605, 35484), (660, 32527), (726, 29570), (1210, 17742), (1452, 14785), (1815, 11828), (2420, 8871), (2957, 7260), (3630, 5914)]