21303138

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{2161}}^1$

素因数の和:2250

約数の個数: 32

約数和(自身を含む): 44831232

約数和(自身を除く): 23528094

約数列:

[1, 2, 3, 6, 31, 53, 62, 93, 106, 159, 186, 318, 1643, 2161, 3286, 4322, 4929, 6483, 9858, 12966, 66991, 114533, 133982, 200973, 229066, 343599, 401946, 687198, 3550523, 7101046, 10651569, 21303138]

約数ペア:

[(1, 21303138), (2, 10651569), (3, 7101046), (6, 3550523), (31, 687198), (53, 401946), (62, 343599), (93, 229066), (106, 200973), (159, 133982), (186, 114533), (318, 66991), (1643, 12966), (2161, 9858), (3286, 6483), (4322, 4929)]