21053612

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{373}}^1$

素因数の和:617

約数の個数: 24

約数和(自身を含む): 37573536

約数和(自身を除く): 16519924

約数列:

[1, 2, 4, 103, 137, 206, 274, 373, 412, 548, 746, 1492, 14111, 28222, 38419, 51101, 56444, 76838, 102202, 153676, 204404, 5263403, 10526806, 21053612]

約数ペア:

[(1, 21053612), (2, 10526806), (4, 5263403), (103, 204404), (137, 153676), (206, 102202), (274, 76838), (373, 56444), (412, 51101), (548, 38419), (746, 28222), (1492, 14111)]