21679502

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:332

約数の個数: 32

約数和(自身を含む): 36312192

約数和(自身を除く): 14632690

約数列:

[1, 2, 13, 26, 47, 94, 113, 157, 226, 314, 611, 1222, 1469, 2041, 2938, 4082, 5311, 7379, 10622, 14758, 17741, 35482, 69043, 95927, 138086, 191854, 230633, 461266, 833827, 1667654, 10839751, 21679502]

約数ペア:

[(1, 21679502), (2, 10839751), (13, 1667654), (26, 833827), (47, 461266), (94, 230633), (113, 191854), (157, 138086), (226, 95927), (314, 69043), (611, 35482), (1222, 17741), (1469, 14758), (2041, 10622), (2938, 7379), (4082, 5311)]