21127236

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{135431}}^1$

素因数の和:135451

約数の個数: 24

約数和(自身を含む): 53089344

約数和(自身を除く): 31962108

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 135431, 270862, 406293, 541724, 812586, 1625172, 1760603, 3521206, 5281809, 7042412, 10563618, 21127236]

約数ペア:

[(1, 21127236), (2, 10563618), (3, 7042412), (4, 5281809), (6, 3521206), (12, 1760603), (13, 1625172), (26, 812586), (39, 541724), (52, 406293), (78, 270862), (156, 135431)]