21351902

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{617}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 37999584

約数和(自身を除く): 16647682

約数列:

[1, 2, 11, 13, 22, 26, 121, 143, 242, 286, 617, 1234, 1331, 1573, 2662, 3146, 6787, 8021, 13574, 16042, 17303, 34606, 74657, 88231, 149314, 176462, 821227, 970541, 1642454, 1941082, 10675951, 21351902]

約数ペア:

[(1, 21351902), (2, 10675951), (11, 1941082), (13, 1642454), (22, 970541), (26, 821227), (121, 176462), (143, 149314), (242, 88231), (286, 74657), (617, 34606), (1234, 17303), (1331, 16042), (1573, 13574), (2662, 8021), (3146, 6787)]