21730832

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{71483}}^1$

素因数の和:71510

約数の個数: 20

約数和(自身を含む): 44320080

約数和(自身を除く): 22589248

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 71483, 142966, 285932, 571864, 1143728, 1358177, 2716354, 5432708, 10865416, 21730832]

約数ペア:

[(1, 21730832), (2, 10865416), (4, 5432708), (8, 2716354), (16, 1358177), (19, 1143728), (38, 571864), (76, 285932), (152, 142966), (304, 71483)]