21231796

素因数分解:

$2^2\times {\mathrm{107}}^1\times {\mathrm{113}}^1\times {\mathrm{439}}^1$

素因数の和:663

約数の個数: 24

約数和(自身を含む): 37920960

約数和(自身を除く): 16689164

約数列:

[1, 2, 4, 107, 113, 214, 226, 428, 439, 452, 878, 1756, 12091, 24182, 46973, 48364, 49607, 93946, 99214, 187892, 198428, 5307949, 10615898, 21231796]

約数ペア:

[(1, 21231796), (2, 10615898), (4, 5307949), (107, 198428), (113, 187892), (214, 99214), (226, 93946), (428, 49607), (439, 48364), (452, 46973), (878, 24182), (1756, 12091)]