21114782

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:153

約数の個数: 64

約数和(自身を含む): 39481344

約数和(自身を除く): 18366562

約数列:

[1, 2, 13, 17, 23, 26, 31, 34, 46, 62, 67, 134, 221, 299, 391, 403, 442, 527, 598, 713, 782, 806, 871, 1054, 1139, 1426, 1541, 1742, 2077, 2278, 3082, 4154, 5083, 6851, 9269, 10166, 12121, 13702, 14807, 18538, 20033, 24242, 26197, 27001, 29614, 35309, 40066, 47771, 52394, 54002, 70618, 95542, 157573, 315146, 340561, 459017, 621023, 681122, 812107, 918034, 1242046, 1624214, 10557391, 21114782]

約数ペア:

[(1, 21114782), (2, 10557391), (13, 1624214), (17, 1242046), (23, 918034), (26, 812107), (31, 681122), (34, 621023), (46, 459017), (62, 340561), (67, 315146), (134, 157573), (221, 95542), (299, 70618), (391, 54002), (403, 52394), (442, 47771), (527, 40066), (598, 35309), (713, 29614), (782, 27001), (806, 26197), (871, 24242), (1054, 20033), (1139, 18538), (1426, 14807), (1541, 13702), (1742, 12121), (2077, 10166), (2278, 9269), (3082, 6851), (4154, 5083)]