21567455119

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{4153}}^1\times {\mathrm{9391}}^1$

素因数の和:13630

約数の個数: 16

約数和(自身を含む): 24969195520

約数和(自身を除く): 3401740401

約数列:

[1, 7, 79, 553, 4153, 9391, 29071, 65737, 328087, 741889, 2296609, 5193223, 39000823, 273005761, 3081065017, 21567455119]

約数ペア:

[(1, 21567455119), (7, 3081065017), (79, 273005761), (553, 39000823), (4153, 5193223), (9391, 2296609), (29071, 741889), (65737, 328087)]