21854985

素因数分解:

$3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{9649}}^1$

素因数の和:9808

約数の個数: 16

約数和(自身を含む): 35203200

約数和(自身を除く): 13348215

約数列:

[1, 3, 5, 15, 151, 453, 755, 2265, 9649, 28947, 48245, 144735, 1456999, 4370997, 7284995, 21854985]

約数ペア:

[(1, 21854985), (3, 7284995), (5, 4370997), (15, 1456999), (151, 144735), (453, 48245), (755, 28947), (2265, 9649)]