21010210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5573}}^1$

素因数の和:5622

約数の個数: 32

約数和(自身を含む): 42139440

約数和(自身を除く): 21129230

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 5573, 11146, 27865, 55730, 72449, 144898, 161617, 323234, 362245, 724490, 808085, 1616170, 2101021, 4202042, 10505105, 21010210]

約数ペア:

[(1, 21010210), (2, 10505105), (5, 4202042), (10, 2101021), (13, 1616170), (26, 808085), (29, 724490), (58, 362245), (65, 323234), (130, 161617), (145, 144898), (290, 72449), (377, 55730), (754, 27865), (1885, 11146), (3770, 5573)]