21317575678

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{697519}}^1$

素因数の和:697624

約数の個数: 32

約数和(自身を含む): 38168294400

約数和(自身を除く): 16850718722

約数列:

[1, 2, 7, 14, 37, 59, 74, 118, 259, 413, 518, 826, 2183, 4366, 15281, 30562, 697519, 1395038, 4882633, 9765266, 25808203, 41153621, 51616406, 82307242, 180657421, 288075347, 361314842, 576150694, 1522683977, 3045367954, 10658787839, 21317575678]

約数ペア:

[(1, 21317575678), (2, 10658787839), (7, 3045367954), (14, 1522683977), (37, 576150694), (59, 361314842), (74, 288075347), (118, 180657421), (259, 82307242), (413, 51616406), (518, 41153621), (826, 25808203), (2183, 9765266), (4366, 4882633), (15281, 1395038), (30562, 697519)]