21293218

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{5821}}^1$

素因数の和:5913

約数の個数: 16

約数和(自身を含む): 33534720

約数和(自身を除く): 12241502

約数列:

[1, 2, 31, 59, 62, 118, 1829, 3658, 5821, 11642, 180451, 343439, 360902, 686878, 10646609, 21293218]

約数ペア:

[(1, 21293218), (2, 10646609), (31, 686878), (59, 360902), (62, 343439), (118, 180451), (1829, 11642), (3658, 5821)]