21717976

素因数分解:

$2^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{3259}}^1$

素因数の和:3296

約数の個数: 48

約数和(自身を含む): 50171400

約数和(自身を除く): 28453424

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 49, 56, 68, 98, 119, 136, 196, 238, 392, 476, 833, 952, 1666, 3259, 3332, 6518, 6664, 13036, 22813, 26072, 45626, 55403, 91252, 110806, 159691, 182504, 221612, 319382, 387821, 443224, 638764, 775642, 1277528, 1551284, 2714747, 3102568, 5429494, 10858988, 21717976]

約数ペア:

[(1, 21717976), (2, 10858988), (4, 5429494), (7, 3102568), (8, 2714747), (14, 1551284), (17, 1277528), (28, 775642), (34, 638764), (49, 443224), (56, 387821), (68, 319382), (98, 221612), (119, 182504), (136, 159691), (196, 110806), (238, 91252), (392, 55403), (476, 45626), (833, 26072), (952, 22813), (1666, 13036), (3259, 6664), (3332, 6518)]