21199038

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{7109}}^1$

素因数の和:7192

約数の個数: 32

約数和(自身を含む): 49144320

約数和(自身を除く): 27945282

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 213, 426, 497, 994, 1491, 2982, 7109, 14218, 21327, 42654, 49763, 99526, 149289, 298578, 504739, 1009478, 1514217, 3028434, 3533173, 7066346, 10599519, 21199038]

約数ペア:

[(1, 21199038), (2, 10599519), (3, 7066346), (6, 3533173), (7, 3028434), (14, 1514217), (21, 1009478), (42, 504739), (71, 298578), (142, 149289), (213, 99526), (426, 49763), (497, 42654), (994, 21327), (1491, 14218), (2982, 7109)]