21001252

素因数分解:

$2^2\times {\mathrm{149}}^1\times {\mathrm{167}}^1\times {\mathrm{211}}^1$

素因数の和:531

約数の個数: 24

約数和(自身を含む): 37396800

約数和(自身を除く): 16395548

約数列:

[1, 2, 4, 149, 167, 211, 298, 334, 422, 596, 668, 844, 24883, 31439, 35237, 49766, 62878, 70474, 99532, 125756, 140948, 5250313, 10500626, 21001252]

約数ペア:

[(1, 21001252), (2, 10500626), (4, 5250313), (149, 140948), (167, 125756), (211, 99532), (298, 70474), (334, 62878), (422, 49766), (596, 35237), (668, 31439), (844, 24883)]