21243240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{59009}}^1$

素因数の和:59026

約数の個数: 48

約数和(自身を含む): 69041700

約数和(自身を除く): 47798460

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, 59009, 118018, 177027, 236036, 295045, 354054, 472072, 531081, 590090, 708108, 885135, 1062162, 1180180, 1416216, 1770270, 2124324, 2360360, 2655405, 3540540, 4248648, 5310810, 7081080, 10621620, 21243240]

約数ペア:

[(1, 21243240), (2, 10621620), (3, 7081080), (4, 5310810), (5, 4248648), (6, 3540540), (8, 2655405), (9, 2360360), (10, 2124324), (12, 1770270), (15, 1416216), (18, 1180180), (20, 1062162), (24, 885135), (30, 708108), (36, 590090), (40, 531081), (45, 472072), (60, 354054), (72, 295045), (90, 236036), (120, 177027), (180, 118018), (360, 59009)]