21200856

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{367}}^1$

素因数の和:488

約数の個数: 64

約数和(自身を含む): 55641600

約数和(自身を除く): 34440744

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 58, 83, 87, 116, 166, 174, 232, 249, 332, 348, 367, 498, 664, 696, 734, 996, 1101, 1468, 1992, 2202, 2407, 2936, 4404, 4814, 7221, 8808, 9628, 10643, 14442, 19256, 21286, 28884, 30461, 31929, 42572, 57768, 60922, 63858, 85144, 91383, 121844, 127716, 182766, 243688, 255432, 365532, 731064, 883369, 1766738, 2650107, 3533476, 5300214, 7066952, 10600428, 21200856]

約数ペア:

[(1, 21200856), (2, 10600428), (3, 7066952), (4, 5300214), (6, 3533476), (8, 2650107), (12, 1766738), (24, 883369), (29, 731064), (58, 365532), (83, 255432), (87, 243688), (116, 182766), (166, 127716), (174, 121844), (232, 91383), (249, 85144), (332, 63858), (348, 60922), (367, 57768), (498, 42572), (664, 31929), (696, 30461), (734, 28884), (996, 21286), (1101, 19256), (1468, 14442), (1992, 10643), (2202, 9628), (2407, 8808), (2936, 7221), (4404, 4814)]