21499243440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{89580181}}^1$

素因数の和:89580197

約数の個数: 40

約数和(自身を含む): 66647655408

約数和(自身を除く): 45148411968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 89580181, 179160362, 268740543, 358320724, 447900905, 537481086, 716641448, 895801810, 1074962172, 1343702715, 1433282896, 1791603620, 2149924344, 2687405430, 3583207240, 4299848688, 5374810860, 7166414480, 10749621720, 21499243440]

約数ペア:

[(1, 21499243440), (2, 10749621720), (3, 7166414480), (4, 5374810860), (5, 4299848688), (6, 3583207240), (8, 2687405430), (10, 2149924344), (12, 1791603620), (15, 1433282896), (16, 1343702715), (20, 1074962172), (24, 895801810), (30, 716641448), (40, 537481086), (48, 447900905), (60, 358320724), (80, 268740543), (120, 179160362), (240, 89580181)]