21623696

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{13381}}^1$

素因数の和:13490

約数の個数: 20

約数和(自身を含む): 42313884

約数和(自身を除く): 20690188

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 13381, 26762, 53524, 107048, 214096, 1351481, 2702962, 5405924, 10811848, 21623696]

約数ペア:

[(1, 21623696), (2, 10811848), (4, 5405924), (8, 2702962), (16, 1351481), (101, 214096), (202, 107048), (404, 53524), (808, 26762), (1616, 13381)]