21022995

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{577}}^1$

素因数の和:939

約数の個数: 32

約数和(自身を含む): 38619648

約数和(自身を除く): 17596653

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 347, 577, 1041, 1731, 1735, 2429, 2885, 4039, 5205, 7287, 8655, 12117, 12145, 20195, 36435, 60585, 200219, 600657, 1001095, 1401533, 3003285, 4204599, 7007665, 21022995]

約数ペア:

[(1, 21022995), (3, 7007665), (5, 4204599), (7, 3003285), (15, 1401533), (21, 1001095), (35, 600657), (105, 200219), (347, 60585), (577, 36435), (1041, 20195), (1731, 12145), (1735, 12117), (2429, 8655), (2885, 7287), (4039, 5205)]