21816366

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{541}}^1$

素因数の和:617

約数の個数: 64

約数和(自身を含む): 52448256

約数和(自身を除く): 30631890

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 47, 66, 78, 94, 141, 143, 282, 286, 429, 517, 541, 611, 858, 1034, 1082, 1222, 1551, 1623, 1833, 3102, 3246, 3666, 5951, 6721, 7033, 11902, 13442, 14066, 17853, 20163, 21099, 25427, 35706, 40326, 42198, 50854, 76281, 77363, 152562, 154726, 232089, 279697, 330551, 464178, 559394, 661102, 839091, 991653, 1678182, 1983306, 3636061, 7272122, 10908183, 21816366]

約数ペア:

[(1, 21816366), (2, 10908183), (3, 7272122), (6, 3636061), (11, 1983306), (13, 1678182), (22, 991653), (26, 839091), (33, 661102), (39, 559394), (47, 464178), (66, 330551), (78, 279697), (94, 232089), (141, 154726), (143, 152562), (282, 77363), (286, 76281), (429, 50854), (517, 42198), (541, 40326), (611, 35706), (858, 25427), (1034, 21099), (1082, 20163), (1222, 17853), (1551, 14066), (1623, 13442), (1833, 11902), (3102, 7033), (3246, 6721), (3666, 5951)]