21616710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{15331}}^1$

素因数の和:15388

約数の個数: 32

約数和(自身を含む): 52987392

約数和(自身を除く): 31370682

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 141, 235, 282, 470, 705, 1410, 15331, 30662, 45993, 76655, 91986, 153310, 229965, 459930, 720557, 1441114, 2161671, 3602785, 4323342, 7205570, 10808355, 21616710]

約数ペア:

[(1, 21616710), (2, 10808355), (3, 7205570), (5, 4323342), (6, 3602785), (10, 2161671), (15, 1441114), (30, 720557), (47, 459930), (94, 229965), (141, 153310), (235, 91986), (282, 76655), (470, 45993), (705, 30662), (1410, 15331)]