21111258

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{71807}}^1$

素因数の和:71826

約数の個数: 24

約数和(自身を含む): 49116672

約数和(自身を除く): 28005414

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 71807, 143614, 215421, 430842, 502649, 1005298, 1507947, 3015894, 3518543, 7037086, 10555629, 21111258]

約数ペア:

[(1, 21111258), (2, 10555629), (3, 7037086), (6, 3518543), (7, 3015894), (14, 1507947), (21, 1005298), (42, 502649), (49, 430842), (98, 215421), (147, 143614), (294, 71807)]