21738808

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{2297}}^1$

素因数の和:2336

約数の個数: 48

約数和(自身を含む): 50464080

約数和(自身を除く): 28725272

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 169, 182, 338, 364, 676, 728, 1183, 1352, 2297, 2366, 4594, 4732, 9188, 9464, 16079, 18376, 29861, 32158, 59722, 64316, 119444, 128632, 209027, 238888, 388193, 418054, 776386, 836108, 1552772, 1672216, 2717351, 3105544, 5434702, 10869404, 21738808]

約数ペア:

[(1, 21738808), (2, 10869404), (4, 5434702), (7, 3105544), (8, 2717351), (13, 1672216), (14, 1552772), (26, 836108), (28, 776386), (52, 418054), (56, 388193), (91, 238888), (104, 209027), (169, 128632), (182, 119444), (338, 64316), (364, 59722), (676, 32158), (728, 29861), (1183, 18376), (1352, 16079), (2297, 9464), (2366, 9188), (4594, 4732)]