21682444

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{20929}}^1$

素因数の和:20977

約数の個数: 24

約数和(自身を含む): 44539040

約数和(自身を除く): 22856596

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 20929, 41858, 83716, 146503, 293006, 586012, 774373, 1548746, 3097492, 5420611, 10841222, 21682444]

約数ペア:

[(1, 21682444), (2, 10841222), (4, 5420611), (7, 3097492), (14, 1548746), (28, 774373), (37, 586012), (74, 293006), (148, 146503), (259, 83716), (518, 41858), (1036, 20929)]