21925930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{743}}^1$

素因数の和:990

約数の個数: 32

約数和(自身を含む): 42747264

約数和(自身を除く): 20821334

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 227, 454, 743, 1135, 1486, 2270, 2951, 3715, 5902, 7430, 9659, 14755, 19318, 29510, 48295, 96590, 168661, 337322, 843305, 1686610, 2192593, 4385186, 10962965, 21925930]

約数ペア:

[(1, 21925930), (2, 10962965), (5, 4385186), (10, 2192593), (13, 1686610), (26, 843305), (65, 337322), (130, 168661), (227, 96590), (454, 48295), (743, 29510), (1135, 19318), (1486, 14755), (2270, 9659), (2951, 7430), (3715, 5902)]