21407029

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{3049}}^1$

素因数の和:3132

約数の個数: 16

約数和(自身を含む): 26352000

約数和(自身を除く): 4944971

約数列:

[1, 7, 17, 59, 119, 413, 1003, 3049, 7021, 21343, 51833, 179891, 362831, 1259237, 3058147, 21407029]

約数ペア:

[(1, 21407029), (7, 3058147), (17, 1259237), (59, 362831), (119, 179891), (413, 51833), (1003, 21343), (3049, 7021)]