21690696

素因数分解:

$2^3\times 3^1\times {\mathrm{373}}^1\times {\mathrm{2423}}^1$

素因数の和:2805

約数の個数: 32

約数和(自身を含む): 54394560

約数和(自身を除く): 32703864

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 373, 746, 1119, 1492, 2238, 2423, 2984, 4476, 4846, 7269, 8952, 9692, 14538, 19384, 29076, 58152, 903779, 1807558, 2711337, 3615116, 5422674, 7230232, 10845348, 21690696]

約数ペア:

[(1, 21690696), (2, 10845348), (3, 7230232), (4, 5422674), (6, 3615116), (8, 2711337), (12, 1807558), (24, 903779), (373, 58152), (746, 29076), (1119, 19384), (1492, 14538), (2238, 9692), (2423, 8952), (2984, 7269), (4476, 4846)]