21372240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{89051}}^1$

素因数の和:89067

約数の個数: 40

約数和(自身を含む): 66254688

約数和(自身を除く): 44882448

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 89051, 178102, 267153, 356204, 445255, 534306, 712408, 890510, 1068612, 1335765, 1424816, 1781020, 2137224, 2671530, 3562040, 4274448, 5343060, 7124080, 10686120, 21372240]

約数ペア:

[(1, 21372240), (2, 10686120), (3, 7124080), (4, 5343060), (5, 4274448), (6, 3562040), (8, 2671530), (10, 2137224), (12, 1781020), (15, 1424816), (16, 1335765), (20, 1068612), (24, 890510), (30, 712408), (40, 534306), (48, 445255), (60, 356204), (80, 267153), (120, 178102), (240, 89051)]