21211722

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{168347}}^1$

素因数の和:168362

約数の個数: 24

約数和(自身を含む): 52524576

約数和(自身を除く): 31312854

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 168347, 336694, 505041, 1010082, 1178429, 1515123, 2356858, 3030246, 3535287, 7070574, 10605861, 21211722]

約数ペア:

[(1, 21211722), (2, 10605861), (3, 7070574), (6, 3535287), (7, 3030246), (9, 2356858), (14, 1515123), (18, 1178429), (21, 1010082), (42, 505041), (63, 336694), (126, 168347)]