21032220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2897}}^1$

素因数の和:2931

約数の個数: 72

約数和(自身を含む): 64752912

約数和(自身を除く): 43720692

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, 2897, 3630, 5794, 7260, 8691, 11588, 14485, 17382, 28970, 31867, 34764, 43455, 57940, 63734, 86910, 95601, 127468, 159335, 173820, 191202, 318670, 350537, 382404, 478005, 637340, 701074, 956010, 1051611, 1402148, 1752685, 1912020, 2103222, 3505370, 4206444, 5258055, 7010740, 10516110, 21032220]

約数ペア:

[(1, 21032220), (2, 10516110), (3, 7010740), (4, 5258055), (5, 4206444), (6, 3505370), (10, 2103222), (11, 1912020), (12, 1752685), (15, 1402148), (20, 1051611), (22, 956010), (30, 701074), (33, 637340), (44, 478005), (55, 382404), (60, 350537), (66, 318670), (110, 191202), (121, 173820), (132, 159335), (165, 127468), (220, 95601), (242, 86910), (330, 63734), (363, 57940), (484, 43455), (605, 34764), (660, 31867), (726, 28970), (1210, 17382), (1452, 14485), (1815, 11588), (2420, 8691), (2897, 7260), (3630, 5794)]