21880452839

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{3023}}^1\times {\mathrm{54421}}^1$

素因数の和:57470

約数の個数: 16

約数和(自身を含む): 26331540480

約数和(自身を除く): 4451087641

約数列:

[1, 7, 19, 133, 3023, 21161, 54421, 57437, 380947, 402059, 1033999, 7237993, 164514683, 1151602781, 3125778977, 21880452839]

約数ペア:

[(1, 21880452839), (7, 3125778977), (19, 1151602781), (133, 164514683), (3023, 7237993), (21161, 1033999), (54421, 402059), (57437, 380947)]