21500248

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{167}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 53625600

約数和(自身を除く): 32125352

約数列:

[1, 2, 4, 7, 8, 11, 14, 19, 22, 28, 38, 44, 56, 76, 77, 88, 121, 133, 152, 154, 167, 209, 242, 266, 308, 334, 418, 484, 532, 616, 668, 836, 847, 968, 1064, 1169, 1336, 1463, 1672, 1694, 1837, 2299, 2338, 2926, 3173, 3388, 3674, 4598, 4676, 5852, 6346, 6776, 7348, 9196, 9352, 11704, 12692, 12859, 14696, 16093, 18392, 20207, 22211, 25384, 25718, 32186, 34903, 40414, 44422, 51436, 64372, 69806, 80828, 88844, 102872, 128744, 139612, 141449, 161656, 177688, 244321, 279224, 282898, 383933, 488642, 565796, 767866, 977284, 1131592, 1535732, 1954568, 2687531, 3071464, 5375062, 10750124, 21500248]

約数ペア:

[(1, 21500248), (2, 10750124), (4, 5375062), (7, 3071464), (8, 2687531), (11, 1954568), (14, 1535732), (19, 1131592), (22, 977284), (28, 767866), (38, 565796), (44, 488642), (56, 383933), (76, 282898), (77, 279224), (88, 244321), (121, 177688), (133, 161656), (152, 141449), (154, 139612), (167, 128744), (209, 102872), (242, 88844), (266, 80828), (308, 69806), (334, 64372), (418, 51436), (484, 44422), (532, 40414), (616, 34903), (668, 32186), (836, 25718), (847, 25384), (968, 22211), (1064, 20207), (1169, 18392), (1336, 16093), (1463, 14696), (1672, 12859), (1694, 12692), (1837, 11704), (2299, 9352), (2338, 9196), (2926, 7348), (3173, 6776), (3388, 6346), (3674, 5852), (4598, 4676)]