21486724

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{6791}}^1$

素因数の和:6915

約数の個数: 24

約数和(自身を含む): 43360128

約数和(自身を除く): 21873404

約数列:

[1, 2, 4, 7, 14, 28, 113, 226, 452, 791, 1582, 3164, 6791, 13582, 27164, 47537, 95074, 190148, 767383, 1534766, 3069532, 5371681, 10743362, 21486724]

約数ペア:

[(1, 21486724), (2, 10743362), (4, 5371681), (7, 3069532), (14, 1534766), (28, 767383), (113, 190148), (226, 95074), (452, 47537), (791, 27164), (1582, 13582), (3164, 6791)]