21612910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3221}}^1$

素因数の和:3300

約数の個数: 32

約数和(自身を含む): 43149024

約数和(自身を除く): 21536114

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 110, 122, 305, 610, 671, 1342, 3221, 3355, 6442, 6710, 16105, 32210, 35431, 70862, 177155, 196481, 354310, 392962, 982405, 1964810, 2161291, 4322582, 10806455, 21612910]

約数ペア:

[(1, 21612910), (2, 10806455), (5, 4322582), (10, 2161291), (11, 1964810), (22, 982405), (55, 392962), (61, 354310), (110, 196481), (122, 177155), (305, 70862), (610, 35431), (671, 32210), (1342, 16105), (3221, 6710), (3355, 6442)]