21930811

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{349}}^1$

素因数の和:594

約数の個数: 16

約数和(自身を含む): 25804800

約数和(自身を除く): 3873989

約数列:

[1, 7, 47, 191, 329, 349, 1337, 2443, 8977, 16403, 62839, 66659, 114821, 466613, 3132973, 21930811]

約数ペア:

[(1, 21930811), (7, 3132973), (47, 466613), (191, 114821), (329, 66659), (349, 62839), (1337, 16403), (2443, 8977)]