21450748

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{8263}}^1$

素因数の和:8337

約数の個数: 24

約数和(自身を含む): 41650560

約数和(自身を除く): 20199812

約数列:

[1, 2, 4, 11, 22, 44, 59, 118, 236, 649, 1298, 2596, 8263, 16526, 33052, 90893, 181786, 363572, 487517, 975034, 1950068, 5362687, 10725374, 21450748]

約数ペア:

[(1, 21450748), (2, 10725374), (4, 5362687), (11, 1950068), (22, 975034), (44, 487517), (59, 363572), (118, 181786), (236, 90893), (649, 33052), (1298, 16526), (2596, 8263)]