21028184

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{154619}}^1$

素因数の和:154642

約数の個数: 16

約数和(自身を含む): 41747400

約数和(自身を除く): 20719216

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 154619, 309238, 618476, 1236952, 2628523, 5257046, 10514092, 21028184]

約数ペア:

[(1, 21028184), (2, 10514092), (4, 5257046), (8, 2628523), (17, 1236952), (34, 618476), (68, 309238), (136, 154619)]