21291882

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{277}}^1\times {\mathrm{557}}^1$

素因数の和:862

約数の個数: 32

約数和(自身を含む): 44675712

約数和(自身を除く): 23383830

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 277, 554, 557, 831, 1114, 1662, 1671, 3342, 6371, 12742, 12811, 19113, 25622, 38226, 38433, 76866, 154289, 308578, 462867, 925734, 3548647, 7097294, 10645941, 21291882]

約数ペア:

[(1, 21291882), (2, 10645941), (3, 7097294), (6, 3548647), (23, 925734), (46, 462867), (69, 308578), (138, 154289), (277, 76866), (554, 38433), (557, 38226), (831, 25622), (1114, 19113), (1662, 12811), (1671, 12742), (3342, 6371)]