21486480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{89527}}^1$

素因数の和:89543

約数の個数: 40

約数和(自身を含む): 66608832

約数和(自身を除く): 45122352

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 89527, 179054, 268581, 358108, 447635, 537162, 716216, 895270, 1074324, 1342905, 1432432, 1790540, 2148648, 2685810, 3581080, 4297296, 5371620, 7162160, 10743240, 21486480]

約数ペア:

[(1, 21486480), (2, 10743240), (3, 7162160), (4, 5371620), (5, 4297296), (6, 3581080), (8, 2685810), (10, 2148648), (12, 1790540), (15, 1432432), (16, 1342905), (20, 1074324), (24, 895270), (30, 716216), (40, 537162), (48, 447635), (60, 358108), (80, 268581), (120, 179054), (240, 89527)]