21092910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{6571}}^1$

素因数の和:6688

約数の個数: 32

約数和(自身を含む): 51103872

約数和(自身を除く): 30010962

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 107, 214, 321, 535, 642, 1070, 1605, 3210, 6571, 13142, 19713, 32855, 39426, 65710, 98565, 197130, 703097, 1406194, 2109291, 3515485, 4218582, 7030970, 10546455, 21092910]

約数ペア:

[(1, 21092910), (2, 10546455), (3, 7030970), (5, 4218582), (6, 3515485), (10, 2109291), (15, 1406194), (30, 703097), (107, 197130), (214, 98565), (321, 65710), (535, 39426), (642, 32855), (1070, 19713), (1605, 13142), (3210, 6571)]