21495570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31153}}^1$

素因数の和:31186

約数の個数: 32

約数和(自身を含む): 53834112

約数和(自身を除く): 32338542

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 31153, 62306, 93459, 155765, 186918, 311530, 467295, 716519, 934590, 1433038, 2149557, 3582595, 4299114, 7165190, 10747785, 21495570]

約数ペア:

[(1, 21495570), (2, 10747785), (3, 7165190), (5, 4299114), (6, 3582595), (10, 2149557), (15, 1433038), (23, 934590), (30, 716519), (46, 467295), (69, 311530), (115, 186918), (138, 155765), (230, 93459), (345, 62306), (690, 31153)]