21794085

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{919}}^1$

素因数の和:978

約数の個数: 48

約数和(自身を含む): 41333760

約数和(自身を除く): 19539675

約数列:

[1, 3, 5, 9, 15, 17, 31, 45, 51, 85, 93, 153, 155, 255, 279, 465, 527, 765, 919, 1395, 1581, 2635, 2757, 4595, 4743, 7905, 8271, 13785, 15623, 23715, 28489, 41355, 46869, 78115, 85467, 140607, 142445, 234345, 256401, 427335, 484313, 703035, 1282005, 1452939, 2421565, 4358817, 7264695, 21794085]

約数ペア:

[(1, 21794085), (3, 7264695), (5, 4358817), (9, 2421565), (15, 1452939), (17, 1282005), (31, 703035), (45, 484313), (51, 427335), (85, 256401), (93, 234345), (153, 142445), (155, 140607), (255, 85467), (279, 78115), (465, 46869), (527, 41355), (765, 28489), (919, 23715), (1395, 15623), (1581, 13785), (2635, 8271), (2757, 7905), (4595, 4743)]