21804874

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{5209}}^1$

素因数の和:5254

約数の個数: 32

約数和(自身を含む): 42013440

約数和(自身を除く): 20208566

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 91, 161, 182, 299, 322, 598, 2093, 4186, 5209, 10418, 36463, 67717, 72926, 119807, 135434, 239614, 474019, 838649, 948038, 1557491, 1677298, 3114982, 10902437, 21804874]

約数ペア:

[(1, 21804874), (2, 10902437), (7, 3114982), (13, 1677298), (14, 1557491), (23, 948038), (26, 838649), (46, 474019), (91, 239614), (161, 135434), (182, 119807), (299, 72926), (322, 67717), (598, 36463), (2093, 10418), (4186, 5209)]