21738037118

素因数分解:

$2^1\times 7^1\times {\mathrm{38351}}^1\times {\mathrm{40487}}^1$

素因数の和:78847

約数の個数: 16

約数和(自身を含む): 37267098624

約数和(自身を除く): 15529061506

約数列:

[1, 2, 7, 14, 38351, 40487, 76702, 80974, 268457, 283409, 536914, 566818, 1552716937, 3105433874, 10869018559, 21738037118]

約数ペア:

[(1, 21738037118), (2, 10869018559), (7, 3105433874), (14, 1552716937), (38351, 566818), (40487, 536914), (76702, 283409), (80974, 268457)]