21303614

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{1237}}^1$

素因数の和:1427

約数の個数: 16

約数和(自身を含む): 32683200

約数和(自身を除く): 11379586

約数列:

[1, 2, 79, 109, 158, 218, 1237, 2474, 8611, 17222, 97723, 134833, 195446, 269666, 10651807, 21303614]

約数ペア:

[(1, 21303614), (2, 10651807), (79, 269666), (109, 195446), (158, 134833), (218, 97723), (1237, 17222), (2474, 8611)]