21210078

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1543}}^1$

素因数の和:1656

約数の個数: 32

約数和(自身を含む): 44467200

約数和(自身を除く): 23257122

約数列:

[1, 2, 3, 6, 29, 58, 79, 87, 158, 174, 237, 474, 1543, 2291, 3086, 4582, 4629, 6873, 9258, 13746, 44747, 89494, 121897, 134241, 243794, 268482, 365691, 731382, 3535013, 7070026, 10605039, 21210078]

約数ペア:

[(1, 21210078), (2, 10605039), (3, 7070026), (6, 3535013), (29, 731382), (58, 365691), (79, 268482), (87, 243794), (158, 134241), (174, 121897), (237, 89494), (474, 44747), (1543, 13746), (2291, 9258), (3086, 6873), (4582, 4629)]