21852340

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{7333}}^1$

素因数の和:7491

約数の個数: 24

約数和(自身を含む): 46204200

約数和(自身を除く): 24351860

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 7333, 14666, 29332, 36665, 73330, 146660, 1092617, 2185234, 4370468, 5463085, 10926170, 21852340]

約数ペア:

[(1, 21852340), (2, 10926170), (4, 5463085), (5, 4370468), (10, 2185234), (20, 1092617), (149, 146660), (298, 73330), (596, 36665), (745, 29332), (1490, 14666), (2980, 7333)]