21037310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2017}}^1$

素因数の和:2180

約数の個数: 32

約数和(自身を含む): 43588800

約数和(自身を除く): 22551490

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 149, 298, 745, 1043, 1490, 2017, 2086, 4034, 5215, 10085, 10430, 14119, 20170, 28238, 70595, 141190, 300533, 601066, 1502665, 2103731, 3005330, 4207462, 10518655, 21037310]

約数ペア:

[(1, 21037310), (2, 10518655), (5, 4207462), (7, 3005330), (10, 2103731), (14, 1502665), (35, 601066), (70, 300533), (149, 141190), (298, 70595), (745, 28238), (1043, 20170), (1490, 14119), (2017, 10430), (2086, 10085), (4034, 5215)]