21655668

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^2\times {\mathrm{4999}}^1$

素因数の和:5044

約数の個数: 36

約数和(自身を含む): 53340000

約数和(自身を除く): 31684332

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 361, 722, 1083, 1444, 2166, 4332, 4999, 9998, 14997, 19996, 29994, 59988, 94981, 189962, 284943, 379924, 569886, 1139772, 1804639, 3609278, 5413917, 7218556, 10827834, 21655668]

約数ペア:

[(1, 21655668), (2, 10827834), (3, 7218556), (4, 5413917), (6, 3609278), (12, 1804639), (19, 1139772), (38, 569886), (57, 379924), (76, 284943), (114, 189962), (228, 94981), (361, 59988), (722, 29994), (1083, 19996), (1444, 14997), (2166, 9998), (4332, 4999)]