21196067580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{39251977}}^1$

素因数の和:39251995

約数の個数: 48

約数和(自身を含む): 65943323040

約数和(自身を除く): 44747255460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 39251977, 78503954, 117755931, 157007908, 196259885, 235511862, 353267793, 392519770, 471023724, 588779655, 706535586, 785039540, 1059803379, 1177559310, 1413071172, 1766338965, 2119606758, 2355118620, 3532677930, 4239213516, 5299016895, 7065355860, 10598033790, 21196067580]

約数ペア:

[(1, 21196067580), (2, 10598033790), (3, 7065355860), (4, 5299016895), (5, 4239213516), (6, 3532677930), (9, 2355118620), (10, 2119606758), (12, 1766338965), (15, 1413071172), (18, 1177559310), (20, 1059803379), (27, 785039540), (30, 706535586), (36, 588779655), (45, 471023724), (54, 392519770), (60, 353267793), (90, 235511862), (108, 196259885), (135, 157007908), (180, 117755931), (270, 78503954), (540, 39251977)]