21456345

素因数分解:

$3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{9473}}^1$

素因数の和:9632

約数の個数: 16

約数和(自身を含む): 34561152

約数和(自身を除く): 13104807

約数列:

[1, 3, 5, 15, 151, 453, 755, 2265, 9473, 28419, 47365, 142095, 1430423, 4291269, 7152115, 21456345]

約数ペア:

[(1, 21456345), (3, 7152115), (5, 4291269), (15, 1430423), (151, 142095), (453, 47365), (755, 28419), (2265, 9473)]