21256054673

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{1439}}^1\times {\mathrm{68071}}^1$

素因数の和:69548

約数の個数: 16

約数和(自身を含む): 25094062080

約数和(自身を除く): 3838007407

約数列:

[1, 7, 31, 217, 1439, 10073, 44609, 68071, 312263, 476497, 2110201, 14771407, 97954169, 685679183, 3036579239, 21256054673]

約数ペア:

[(1, 21256054673), (7, 3036579239), (31, 685679183), (217, 97954169), (1439, 14771407), (10073, 2110201), (44609, 476497), (68071, 312263)]