21679290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{240881}}^1$

素因数の和:240894

約数の個数: 24

約数和(自身を含む): 56366388

約数和(自身を除く): 34687098

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 240881, 481762, 722643, 1204405, 1445286, 2167929, 2408810, 3613215, 4335858, 7226430, 10839645, 21679290]

約数ペア:

[(1, 21679290), (2, 10839645), (3, 7226430), (5, 4335858), (6, 3613215), (9, 2408810), (10, 2167929), (15, 1445286), (18, 1204405), (30, 722643), (45, 481762), (90, 240881)]