21102090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{677}}^1\times {\mathrm{1039}}^1$

素因数の和:1726

約数の個数: 32

約数和(自身を含む): 50768640

約数和(自身を除く): 29666550

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 677, 1039, 1354, 2031, 2078, 3117, 3385, 4062, 5195, 6234, 6770, 10155, 10390, 15585, 20310, 31170, 703403, 1406806, 2110209, 3517015, 4220418, 7034030, 10551045, 21102090]

約数ペア:

[(1, 21102090), (2, 10551045), (3, 7034030), (5, 4220418), (6, 3517015), (10, 2110209), (15, 1406806), (30, 703403), (677, 31170), (1039, 20310), (1354, 15585), (2031, 10390), (2078, 10155), (3117, 6770), (3385, 6234), (4062, 5195)]