21103434220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{30559}}^1$

素因数の和:30695

約数の個数: 96

約数和(自身を含む): 50149693440

約数和(自身を除く): 29046259220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 73, 86, 110, 146, 172, 215, 220, 292, 365, 430, 473, 730, 803, 860, 946, 1460, 1606, 1892, 2365, 3139, 3212, 4015, 4730, 6278, 8030, 9460, 12556, 15695, 16060, 30559, 31390, 34529, 61118, 62780, 69058, 122236, 138116, 152795, 172645, 305590, 336149, 345290, 611180, 672298, 690580, 1314037, 1344596, 1680745, 2230807, 2628074, 3361490, 4461614, 5256148, 6570185, 6722980, 8923228, 11154035, 13140370, 14454407, 22308070, 24538877, 26280740, 28908814, 44616140, 49077754, 57817628, 72272035, 95924701, 98155508, 122694385, 144544070, 191849402, 245388770, 289088140, 383698804, 479623505, 490777540, 959247010, 1055171711, 1918494020, 2110343422, 4220686844, 5275858555, 10551717110, 21103434220]

約数ペア:

[(1, 21103434220), (2, 10551717110), (4, 5275858555), (5, 4220686844), (10, 2110343422), (11, 1918494020), (20, 1055171711), (22, 959247010), (43, 490777540), (44, 479623505), (55, 383698804), (73, 289088140), (86, 245388770), (110, 191849402), (146, 144544070), (172, 122694385), (215, 98155508), (220, 95924701), (292, 72272035), (365, 57817628), (430, 49077754), (473, 44616140), (730, 28908814), (803, 26280740), (860, 24538877), (946, 22308070), (1460, 14454407), (1606, 13140370), (1892, 11154035), (2365, 8923228), (3139, 6722980), (3212, 6570185), (4015, 5256148), (4730, 4461614), (6278, 3361490), (8030, 2628074), (9460, 2230807), (12556, 1680745), (15695, 1344596), (16060, 1314037), (30559, 690580), (31390, 672298), (34529, 611180), (61118, 345290), (62780, 336149), (69058, 305590), (122236, 172645), (138116, 152795)]