21771442

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1297}}^1$

素因数の和:1426

約数の個数: 32

約数和(自身を含む): 41120640

約数和(自身を除く): 19349198

約数列:

[1, 2, 7, 11, 14, 22, 77, 109, 154, 218, 763, 1199, 1297, 1526, 2398, 2594, 8393, 9079, 14267, 16786, 18158, 28534, 99869, 141373, 199738, 282746, 989611, 1555103, 1979222, 3110206, 10885721, 21771442]

約数ペア:

[(1, 21771442), (2, 10885721), (7, 3110206), (11, 1979222), (14, 1555103), (22, 989611), (77, 282746), (109, 199738), (154, 141373), (218, 99869), (763, 28534), (1199, 18158), (1297, 16786), (1526, 14267), (2398, 9079), (2594, 8393)]