21231566

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{1619}}^1$

素因数の和:1783

約数の個数: 16

約数和(自身を含む): 32659200

約数和(自身を除く): 11427634

約数列:

[1, 2, 79, 83, 158, 166, 1619, 3238, 6557, 13114, 127901, 134377, 255802, 268754, 10615783, 21231566]

約数ペア:

[(1, 21231566), (2, 10615783), (79, 268754), (83, 255802), (158, 134377), (166, 127901), (1619, 13114), (3238, 6557)]