21585045

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1429}}^1$

素因数の和:1509

約数の個数: 32

約数和(自身を含む): 37065600

約数和(自身を除く): 15480555

約数列:

[1, 3, 5, 15, 19, 53, 57, 95, 159, 265, 285, 795, 1007, 1429, 3021, 4287, 5035, 7145, 15105, 21435, 27151, 75737, 81453, 135755, 227211, 378685, 407265, 1136055, 1439003, 4317009, 7195015, 21585045]

約数ペア:

[(1, 21585045), (3, 7195015), (5, 4317009), (15, 1439003), (19, 1136055), (53, 407265), (57, 378685), (95, 227211), (159, 135755), (265, 81453), (285, 75737), (795, 27151), (1007, 21435), (1429, 15105), (3021, 7145), (4287, 5035)]