21105460440

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{6514031}}^1$

素因数の和:6514054

約数の個数: 80

約数和(自身を含む): 70937808480

約数和(自身を除く): 49832348040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 6514031, 13028062, 19542093, 26056124, 32570155, 39084186, 52112248, 58626279, 65140310, 78168372, 97710465, 117252558, 130280620, 156336744, 175878837, 195420930, 234505116, 260561240, 293131395, 351757674, 390841860, 469010232, 527636511, 586262790, 703515348, 781683720, 879394185, 1055273022, 1172525580, 1407030696, 1758788370, 2110546044, 2345051160, 2638182555, 3517576740, 4221092088, 5276365110, 7035153480, 10552730220, 21105460440]

約数ペア:

[(1, 21105460440), (2, 10552730220), (3, 7035153480), (4, 5276365110), (5, 4221092088), (6, 3517576740), (8, 2638182555), (9, 2345051160), (10, 2110546044), (12, 1758788370), (15, 1407030696), (18, 1172525580), (20, 1055273022), (24, 879394185), (27, 781683720), (30, 703515348), (36, 586262790), (40, 527636511), (45, 469010232), (54, 390841860), (60, 351757674), (72, 293131395), (81, 260561240), (90, 234505116), (108, 195420930), (120, 175878837), (135, 156336744), (162, 130280620), (180, 117252558), (216, 97710465), (270, 78168372), (324, 65140310), (360, 58626279), (405, 52112248), (540, 39084186), (648, 32570155), (810, 26056124), (1080, 19542093), (1620, 13028062), (3240, 6514031)]