21105462

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{4447}}^1$

素因数の和:4572

約数の個数: 32

約数和(自身を含む): 48678912

約数和(自身を除く): 27573450

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 113, 226, 339, 678, 791, 1582, 2373, 4447, 4746, 8894, 13341, 26682, 31129, 62258, 93387, 186774, 502511, 1005022, 1507533, 3015066, 3517577, 7035154, 10552731, 21105462]

約数ペア:

[(1, 21105462), (2, 10552731), (3, 7035154), (6, 3517577), (7, 3015066), (14, 1507533), (21, 1005022), (42, 502511), (113, 186774), (226, 93387), (339, 62258), (678, 31129), (791, 26682), (1582, 13341), (2373, 8894), (4447, 4746)]