21805409160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{60570581}}^1$

素因数の和:60570598

約数の個数: 48

約数和(自身を含む): 70867580940

約数和(自身を除く): 49062171780

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 60570581, 121141162, 181711743, 242282324, 302852905, 363423486, 484564648, 545135229, 605705810, 726846972, 908558715, 1090270458, 1211411620, 1453693944, 1817117430, 2180540916, 2422823240, 2725676145, 3634234860, 4361081832, 5451352290, 7268469720, 10902704580, 21805409160]

約数ペア:

[(1, 21805409160), (2, 10902704580), (3, 7268469720), (4, 5451352290), (5, 4361081832), (6, 3634234860), (8, 2725676145), (9, 2422823240), (10, 2180540916), (12, 1817117430), (15, 1453693944), (18, 1211411620), (20, 1090270458), (24, 908558715), (30, 726846972), (36, 605705810), (40, 545135229), (45, 484564648), (60, 363423486), (72, 302852905), (90, 242282324), (120, 181711743), (180, 121141162), (360, 60570581)]