21629946

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6449}}^1$

素因数の和:6510

約数の個数: 32

約数和(自身を含む): 47678400

約数和(自身を除く): 26048454

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 258, 559, 1118, 1677, 3354, 6449, 12898, 19347, 38694, 83837, 167674, 251511, 277307, 503022, 554614, 831921, 1663842, 3604991, 7209982, 10814973, 21629946]

約数ペア:

[(1, 21629946), (2, 10814973), (3, 7209982), (6, 3604991), (13, 1663842), (26, 831921), (39, 554614), (43, 503022), (78, 277307), (86, 251511), (129, 167674), (258, 83837), (559, 38694), (1118, 19347), (1677, 12898), (3354, 6449)]