21180631676

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{659}}^1\times {\mathrm{113171}}^1$

素因数の和:113905

約数の個数: 24

約数和(自身を含む): 37645534080

約数和(自身を除く): 16464902404

約数列:

[1, 2, 4, 71, 142, 284, 659, 1318, 2636, 46789, 93578, 113171, 187156, 226342, 452684, 8035141, 16070282, 32140564, 74579689, 149159378, 298318756, 5295157919, 10590315838, 21180631676]

約数ペア:

[(1, 21180631676), (2, 10590315838), (4, 5295157919), (71, 298318756), (142, 149159378), (284, 74579689), (659, 32140564), (1318, 16070282), (2636, 8035141), (46789, 452684), (93578, 226342), (113171, 187156)]