21158724

素因数分解:

$2^2\times 3^1\times {\mathrm{151}}^1\times {\mathrm{11677}}^1$

素因数の和:11835

約数の個数: 24

約数和(自身を含む): 49701568

約数和(自身を除く): 28542844

約数列:

[1, 2, 3, 4, 6, 12, 151, 302, 453, 604, 906, 1812, 11677, 23354, 35031, 46708, 70062, 140124, 1763227, 3526454, 5289681, 7052908, 10579362, 21158724]

約数ペア:

[(1, 21158724), (2, 10579362), (3, 7052908), (4, 5289681), (6, 3526454), (12, 1763227), (151, 140124), (302, 70062), (453, 46708), (604, 35031), (906, 23354), (1812, 11677)]