21647055

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{373}}^1$

素因数の和:507

約数の個数: 32

約数和(自身を含む): 35868096

約数和(自身を除く): 14221041

約数列:

[1, 3, 5, 15, 53, 73, 159, 219, 265, 365, 373, 795, 1095, 1119, 1865, 3869, 5595, 11607, 19345, 19769, 27229, 58035, 59307, 81687, 98845, 136145, 296535, 408435, 1443137, 4329411, 7215685, 21647055]

約数ペア:

[(1, 21647055), (3, 7215685), (5, 4329411), (15, 1443137), (53, 408435), (73, 296535), (159, 136145), (219, 98845), (265, 81687), (365, 59307), (373, 58035), (795, 27229), (1095, 19769), (1119, 19345), (1865, 11607), (3869, 5595)]