21285882

素因数分解:

$2^1\times 3^3\times {\mathrm{401}}^1\times {\mathrm{983}}^1$

素因数の和:1395

約数の個数: 32

約数和(自身を含む): 47468160

約数和(自身を除く): 26182278

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 401, 802, 983, 1203, 1966, 2406, 2949, 3609, 5898, 7218, 8847, 10827, 17694, 21654, 26541, 53082, 394183, 788366, 1182549, 2365098, 3547647, 7095294, 10642941, 21285882]

約数ペア:

[(1, 21285882), (2, 10642941), (3, 7095294), (6, 3547647), (9, 2365098), (18, 1182549), (27, 788366), (54, 394183), (401, 53082), (802, 26541), (983, 21654), (1203, 17694), (1966, 10827), (2406, 8847), (2949, 7218), (3609, 5898)]