21786122

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:330

約数の個数: 32

約数和(自身を含む): 35904000

約数和(自身を除く): 14117878

約数列:

[1, 2, 19, 38, 43, 67, 86, 134, 199, 398, 817, 1273, 1634, 2546, 2881, 3781, 5762, 7562, 8557, 13333, 17114, 26666, 54739, 109478, 162583, 253327, 325166, 506654, 573319, 1146638, 10893061, 21786122]

約数ペア:

[(1, 21786122), (2, 10893061), (19, 1146638), (38, 573319), (43, 506654), (67, 325166), (86, 253327), (134, 162583), (199, 109478), (398, 54739), (817, 26666), (1273, 17114), (1634, 13333), (2546, 8557), (2881, 7562), (3781, 5762)]