21167274254

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79576219}}^1$

素因数の和:79576247

約数の個数: 16

約数和(自身を含む): 38196585600

約数和(自身を除く): 17029311346

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 79576219, 159152438, 557033533, 1114067066, 1511948161, 3023896322, 10583637127, 21167274254]

約数ペア:

[(1, 21167274254), (2, 10583637127), (7, 3023896322), (14, 1511948161), (19, 1114067066), (38, 557033533), (133, 159152438), (266, 79576219)]