21175695

素因数分解:

$3^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{691}}^1$

素因数の和:932

約数の個数: 32

約数和(自身を含む): 37866240

約数和(自身を除く): 16690545

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 227, 681, 691, 1135, 2043, 2073, 3405, 3455, 6129, 6219, 10215, 10365, 18657, 30645, 31095, 93285, 156857, 470571, 784285, 1411713, 2352855, 4235139, 7058565, 21175695]

約数ペア:

[(1, 21175695), (3, 7058565), (5, 4235139), (9, 2352855), (15, 1411713), (27, 784285), (45, 470571), (135, 156857), (227, 93285), (681, 31095), (691, 30645), (1135, 18657), (2043, 10365), (2073, 10215), (3405, 6219), (3455, 6129)]