21236186

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1\times {\mathrm{439}}^1$

素因数の和:546

約数の個数: 24

約数和(自身を含む): 34198560

約数和(自身を除く): 12962374

約数列:

[1, 2, 19, 38, 67, 134, 361, 439, 722, 878, 1273, 2546, 8341, 16682, 24187, 29413, 48374, 58826, 158479, 316958, 558847, 1117694, 10618093, 21236186]

約数ペア:

[(1, 21236186), (2, 10618093), (19, 1117694), (38, 558847), (67, 316958), (134, 158479), (361, 58826), (439, 48374), (722, 29413), (878, 24187), (1273, 16682), (2546, 8341)]