21791556

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31859}}^1$

素因数の和:31888

約数の個数: 36

約数和(自身を含む): 57985200

約数和(自身を除く): 36193644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 31859, 63718, 95577, 127436, 191154, 286731, 382308, 573462, 605321, 1146924, 1210642, 1815963, 2421284, 3631926, 5447889, 7263852, 10895778, 21791556]

約数ペア:

[(1, 21791556), (2, 10895778), (3, 7263852), (4, 5447889), (6, 3631926), (9, 2421284), (12, 1815963), (18, 1210642), (19, 1146924), (36, 605321), (38, 573462), (57, 382308), (76, 286731), (114, 191154), (171, 127436), (228, 95577), (342, 63718), (684, 31859)]