21354834

素因数分解:

$2^1\times 3^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{269}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 43623360

約数和(自身を除く): 22268526

約数列:

[1, 2, 3, 6, 101, 131, 202, 262, 269, 303, 393, 538, 606, 786, 807, 1614, 13231, 26462, 27169, 35239, 39693, 54338, 70478, 79386, 81507, 105717, 163014, 211434, 3559139, 7118278, 10677417, 21354834]

約数ペア:

[(1, 21354834), (2, 10677417), (3, 7118278), (6, 3559139), (101, 211434), (131, 163014), (202, 105717), (262, 81507), (269, 79386), (303, 70478), (393, 54338), (538, 39693), (606, 35239), (786, 27169), (807, 26462), (1614, 13231)]