21892676

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{9791}}^1$

素因数の和:9851

約数の個数: 24

約数和(自身を含む): 42223104

約数和(自身を除く): 20330428

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 9791, 19582, 39164, 127283, 254566, 421013, 509132, 842026, 1684052, 5473169, 10946338, 21892676]

約数ペア:

[(1, 21892676), (2, 10946338), (4, 5473169), (13, 1684052), (26, 842026), (43, 509132), (52, 421013), (86, 254566), (172, 127283), (559, 39164), (1118, 19582), (2236, 9791)]