21998364

素因数分解:

$2^2\times 3^1\times {\mathrm{137}}^1\times {\mathrm{13381}}^1$

素因数の和:13525

約数の個数: 24

約数和(自身を含む): 51708048

約数和(自身を除く): 29709684

約数列:

[1, 2, 3, 4, 6, 12, 137, 274, 411, 548, 822, 1644, 13381, 26762, 40143, 53524, 80286, 160572, 1833197, 3666394, 5499591, 7332788, 10999182, 21998364]

約数ペア:

[(1, 21998364), (2, 10999182), (3, 7332788), (4, 5499591), (6, 3666394), (12, 1833197), (137, 160572), (274, 80286), (411, 53524), (548, 40143), (822, 26762), (1644, 13381)]