21988922

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{4283}}^1$

素因数の和:4453

約数の個数: 16

約数和(自身を含む): 35163072

約数和(自身を除く): 13174150

約数列:

[1, 2, 17, 34, 151, 302, 2567, 4283, 5134, 8566, 72811, 145622, 646733, 1293466, 10994461, 21988922]

約数ペア:

[(1, 21988922), (2, 10994461), (17, 1293466), (34, 646733), (151, 145622), (302, 72811), (2567, 8566), (4283, 5134)]