21445046

素因数分解:

$2^1\times 7^3\times {\mathrm{43}}^1\times {\mathrm{727}}^1$

素因数の和:793

約数の個数: 32

約数和(自身を含む): 38438400

約数和(自身を除く): 16993354

約数列:

[1, 2, 7, 14, 43, 49, 86, 98, 301, 343, 602, 686, 727, 1454, 2107, 4214, 5089, 10178, 14749, 29498, 31261, 35623, 62522, 71246, 218827, 249361, 437654, 498722, 1531789, 3063578, 10722523, 21445046]

約数ペア:

[(1, 21445046), (2, 10722523), (7, 3063578), (14, 1531789), (43, 498722), (49, 437654), (86, 249361), (98, 218827), (301, 71246), (343, 62522), (602, 35623), (686, 31261), (727, 29498), (1454, 14749), (2107, 10178), (4214, 5089)]