21151876

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{5869}}^1$

素因数の和:5943

約数の個数: 24

約数和(自身を含む): 39939480

約数和(自身を除く): 18787604

約数列:

[1, 2, 4, 17, 34, 53, 68, 106, 212, 901, 1802, 3604, 5869, 11738, 23476, 99773, 199546, 311057, 399092, 622114, 1244228, 5287969, 10575938, 21151876]

約数ペア:

[(1, 21151876), (2, 10575938), (4, 5287969), (17, 1244228), (34, 622114), (53, 399092), (68, 311057), (106, 199546), (212, 99773), (901, 23476), (1802, 11738), (3604, 5869)]