21569779615

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{40241}}^1$

素因数の和:40407

約数の個数: 32

約数和(自身を含む): 27815270400

約数和(自身を除く): 6245490785

約数列:

[1, 5, 23, 59, 79, 115, 295, 395, 1357, 1817, 4661, 6785, 9085, 23305, 40241, 107203, 201205, 536015, 925543, 2374219, 3179039, 4627715, 11871095, 15895195, 54607037, 73117897, 187563301, 273035185, 365589485, 937816505, 4313955923, 21569779615]

約数ペア:

[(1, 21569779615), (5, 4313955923), (23, 937816505), (59, 365589485), (79, 273035185), (115, 187563301), (295, 73117897), (395, 54607037), (1357, 15895195), (1817, 11871095), (4661, 4627715), (6785, 3179039), (9085, 2374219), (23305, 925543), (40241, 536015), (107203, 201205)]