21898924

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{1049}}^1$

素因数の和:1377

約数の個数: 24

約数和(自身を含む): 40748400

約数和(自身を除く): 18849476

約数列:

[1, 2, 4, 17, 34, 68, 307, 614, 1049, 1228, 2098, 4196, 5219, 10438, 17833, 20876, 35666, 71332, 322043, 644086, 1288172, 5474731, 10949462, 21898924]

約数ペア:

[(1, 21898924), (2, 10949462), (4, 5474731), (17, 1288172), (34, 644086), (68, 322043), (307, 71332), (614, 35666), (1049, 20876), (1228, 17833), (2098, 10438), (4196, 5219)]