21220514642

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{691}}^1\times {\mathrm{149077}}^1$

素因数の和:149873

約数の個数: 16

約数和(自身を含む): 32186536512

約数和(自身を除く): 10966021870

約数列:

[1, 2, 103, 206, 691, 1382, 71173, 142346, 149077, 298154, 15354931, 30709862, 103012207, 206024414, 10610257321, 21220514642]

約数ペア:

[(1, 21220514642), (2, 10610257321), (103, 206024414), (206, 103012207), (691, 30709862), (1382, 15354931), (71173, 298154), (142346, 149077)]