21272895

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{22511}}^1$

素因数の和:22532

約数の個数: 32

約数和(自身を含む): 43223040

約数和(自身を除く): 21950145

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 22511, 67533, 112555, 157577, 202599, 337665, 472731, 607797, 787885, 1012995, 1418193, 2363655, 3038985, 4254579, 7090965, 21272895]

約数ペア:

[(1, 21272895), (3, 7090965), (5, 4254579), (7, 3038985), (9, 2363655), (15, 1418193), (21, 1012995), (27, 787885), (35, 607797), (45, 472731), (63, 337665), (105, 202599), (135, 157577), (189, 112555), (315, 67533), (945, 22511)]