21245484

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{136189}}^1$

素因数の和:136209

約数の個数: 24

約数和(自身を含む): 53386480

約数和(自身を除く): 32140996

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 136189, 272378, 408567, 544756, 817134, 1634268, 1770457, 3540914, 5311371, 7081828, 10622742, 21245484]

約数ペア:

[(1, 21245484), (2, 10622742), (3, 7081828), (4, 5311371), (6, 3540914), (12, 1770457), (13, 1634268), (26, 817134), (39, 544756), (52, 408567), (78, 272378), (156, 136189)]