21984449924

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{990469}}^1$

素因数の和:990683

約数の個数: 24

約数和(自身を含む): 39935750400

約数和(自身を除く): 17951300476

約数列:

[1, 2, 4, 31, 62, 124, 179, 358, 716, 5549, 11098, 22196, 990469, 1980938, 3961876, 30704539, 61409078, 122818156, 177293951, 354587902, 709175804, 5496112481, 10992224962, 21984449924]

約数ペア:

[(1, 21984449924), (2, 10992224962), (4, 5496112481), (31, 709175804), (62, 354587902), (124, 177293951), (179, 122818156), (358, 61409078), (716, 30704539), (5549, 3961876), (11098, 1980938), (22196, 990469)]