21489291279

素因数分解:

$3^3\times {\mathrm{89}}^1\times {\mathrm{619}}^1\times {\mathrm{14447}}^1$

素因数の和:15164

約数の個数: 32

約数和(自身を含む): 32247936000

約数和(自身を除く): 10758644721

約数列:

[1, 3, 9, 27, 89, 267, 619, 801, 1857, 2403, 5571, 14447, 16713, 43341, 55091, 130023, 165273, 390069, 495819, 1285783, 1487457, 3857349, 8942693, 11572047, 26828079, 34716141, 80484237, 241452711, 795899677, 2387699031, 7163097093, 21489291279]

約数ペア:

[(1, 21489291279), (3, 7163097093), (9, 2387699031), (27, 795899677), (89, 241452711), (267, 80484237), (619, 34716141), (801, 26828079), (1857, 11572047), (2403, 8942693), (5571, 3857349), (14447, 1487457), (16713, 1285783), (43341, 495819), (55091, 390069), (130023, 165273)]