21695870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{5081}}^1$

素因数の和:5156

約数の個数: 32

約数和(自身を含む): 45372096

約数和(自身を除く): 23676226

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 122, 305, 427, 610, 854, 2135, 4270, 5081, 10162, 25405, 35567, 50810, 71134, 177835, 309941, 355670, 619882, 1549705, 2169587, 3099410, 4339174, 10847935, 21695870]

約数ペア:

[(1, 21695870), (2, 10847935), (5, 4339174), (7, 3099410), (10, 2169587), (14, 1549705), (35, 619882), (61, 355670), (70, 309941), (122, 177835), (305, 71134), (427, 50810), (610, 35567), (854, 25405), (2135, 10162), (4270, 5081)]