21815448

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{21139}}^1$

素因数の和:21191

約数の個数: 32

約数和(自身を含む): 55809600

約数和(自身を除く): 33994152

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 21139, 42278, 63417, 84556, 126834, 169112, 253668, 507336, 908977, 1817954, 2726931, 3635908, 5453862, 7271816, 10907724, 21815448]

約数ペア:

[(1, 21815448), (2, 10907724), (3, 7271816), (4, 5453862), (6, 3635908), (8, 2726931), (12, 1817954), (24, 908977), (43, 507336), (86, 253668), (129, 169112), (172, 126834), (258, 84556), (344, 63417), (516, 42278), (1032, 21139)]