21315778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{4231}}^1$

素因数の和:4473

約数の個数: 16

約数和(自身を含む): 35040960

約数和(自身を除く): 13725182

約数列:

[1, 2, 11, 22, 229, 458, 2519, 4231, 5038, 8462, 46541, 93082, 968899, 1937798, 10657889, 21315778]

約数ペア:

[(1, 21315778), (2, 10657889), (11, 1937798), (22, 968899), (229, 93082), (458, 46541), (2519, 8462), (4231, 5038)]