21368334

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1$

素因数の和:361

約数の個数: 64

約数和(自身を含む): 49319424

約数和(自身を除く): 27951090

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 43, 46, 69, 78, 86, 129, 138, 258, 277, 299, 554, 559, 598, 831, 897, 989, 1118, 1662, 1677, 1794, 1978, 2967, 3354, 3601, 5934, 6371, 7202, 10803, 11911, 12742, 12857, 19113, 21606, 23822, 25714, 35733, 38226, 38571, 71466, 77142, 82823, 154843, 165646, 248469, 273953, 309686, 464529, 496938, 547906, 821859, 929058, 1643718, 3561389, 7122778, 10684167, 21368334]

約数ペア:

[(1, 21368334), (2, 10684167), (3, 7122778), (6, 3561389), (13, 1643718), (23, 929058), (26, 821859), (39, 547906), (43, 496938), (46, 464529), (69, 309686), (78, 273953), (86, 248469), (129, 165646), (138, 154843), (258, 82823), (277, 77142), (299, 71466), (554, 38571), (559, 38226), (598, 35733), (831, 25714), (897, 23822), (989, 21606), (1118, 19113), (1662, 12857), (1677, 12742), (1794, 11911), (1978, 10803), (2967, 7202), (3354, 6371), (3601, 5934)]