21718906

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{4349}}^1$

素因数の和:4589

約数の個数: 16

約数和(自身を含む): 35704800

約数和(自身を除く): 13985894

約数列:

[1, 2, 11, 22, 227, 454, 2497, 4349, 4994, 8698, 47839, 95678, 987223, 1974446, 10859453, 21718906]

約数ペア:

[(1, 21718906), (2, 10859453), (11, 1974446), (22, 987223), (227, 95678), (454, 47839), (2497, 8698), (4349, 4994)]