21331330292

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{239}}^1\times {\mathrm{337}}^1\times {\mathrm{907}}^1$

素因数の和:1560

約数の個数: 48

約数和(自身を含む): 38154305280

約数和(自身を除く): 16822974988

約数列:

[1, 2, 4, 73, 146, 239, 292, 337, 478, 674, 907, 956, 1348, 1814, 3628, 17447, 24601, 34894, 49202, 66211, 69788, 80543, 98404, 132422, 161086, 216773, 264844, 305659, 322172, 433546, 611318, 867092, 1222636, 5879639, 11759278, 15824429, 22313107, 23518556, 31648858, 44626214, 63297716, 73052501, 89252428, 146105002, 292210004, 5332832573, 10665665146, 21331330292]

約数ペア:

[(1, 21331330292), (2, 10665665146), (4, 5332832573), (73, 292210004), (146, 146105002), (239, 89252428), (292, 73052501), (337, 63297716), (478, 44626214), (674, 31648858), (907, 23518556), (956, 22313107), (1348, 15824429), (1814, 11759278), (3628, 5879639), (17447, 1222636), (24601, 867092), (34894, 611318), (49202, 433546), (66211, 322172), (69788, 305659), (80543, 264844), (98404, 216773), (132422, 161086)]