21900784

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{59513}}^1$

素因数の和:59544

約数の個数: 20

約数和(自身を含む): 44278416

約数和(自身を除く): 22377632

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 59513, 119026, 238052, 476104, 952208, 1368799, 2737598, 5475196, 10950392, 21900784]

約数ペア:

[(1, 21900784), (2, 10950392), (4, 5475196), (8, 2737598), (16, 1368799), (23, 952208), (46, 476104), (92, 238052), (184, 119026), (368, 59513)]