21985314

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{3167}}^1$

素因数の和:3274

約数の個数: 32

約数和(自身を含む): 47900160

約数和(自身を除く): 25914846

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 89, 178, 267, 534, 1157, 2314, 3167, 3471, 6334, 6942, 9501, 19002, 41171, 82342, 123513, 247026, 281863, 563726, 845589, 1691178, 3664219, 7328438, 10992657, 21985314]

約数ペア:

[(1, 21985314), (2, 10992657), (3, 7328438), (6, 3664219), (13, 1691178), (26, 845589), (39, 563726), (78, 281863), (89, 247026), (178, 123513), (267, 82342), (534, 41171), (1157, 19002), (2314, 9501), (3167, 6942), (3471, 6334)]