21198814

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{433}}^1$

素因数の和:724

約数の個数: 32

約数和(自身を含む): 39372480

約数和(自身を除く): 18173666

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 269, 433, 538, 866, 1883, 3031, 3497, 3766, 5629, 6062, 6994, 11258, 24479, 39403, 48958, 78806, 116477, 232954, 815339, 1514201, 1630678, 3028402, 10599407, 21198814]

約数ペア:

[(1, 21198814), (2, 10599407), (7, 3028402), (13, 1630678), (14, 1514201), (26, 815339), (91, 232954), (182, 116477), (269, 78806), (433, 48958), (538, 39403), (866, 24479), (1883, 11258), (3031, 6994), (3497, 6062), (3766, 5629)]