21201510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1567}}^1$

素因数の和:1629

約数の個数: 64

約数和(自身を含む): 56899584

約数和(自身を除く): 35698074

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 41, 55, 66, 82, 110, 123, 165, 205, 246, 330, 410, 451, 615, 902, 1230, 1353, 1567, 2255, 2706, 3134, 4510, 4701, 6765, 7835, 9402, 13530, 15670, 17237, 23505, 34474, 47010, 51711, 64247, 86185, 103422, 128494, 172370, 192741, 258555, 321235, 385482, 517110, 642470, 706717, 963705, 1413434, 1927410, 2120151, 3533585, 4240302, 7067170, 10600755, 21201510]

約数ペア:

[(1, 21201510), (2, 10600755), (3, 7067170), (5, 4240302), (6, 3533585), (10, 2120151), (11, 1927410), (15, 1413434), (22, 963705), (30, 706717), (33, 642470), (41, 517110), (55, 385482), (66, 321235), (82, 258555), (110, 192741), (123, 172370), (165, 128494), (205, 103422), (246, 86185), (330, 64247), (410, 51711), (451, 47010), (615, 34474), (902, 23505), (1230, 17237), (1353, 15670), (1567, 13530), (2255, 9402), (2706, 7835), (3134, 6765), (4510, 4701)]