21618637

素因数分解:

${\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{563}}^1$

素因数の和:672

約数の個数: 16

約数和(自身を含む): 23823360

約数和(自身を除く): 2204723

約数列:

[1, 19, 43, 47, 563, 817, 893, 2021, 10697, 24209, 26461, 38399, 459971, 502759, 1137823, 21618637]

約数ペア:

[(1, 21618637), (19, 1137823), (43, 502759), (47, 459971), (563, 38399), (817, 26461), (893, 24209), (2021, 10697)]