21691638

素因数分解:

$2^1\times 3^5\times {\mathrm{44633}}^1$

素因数の和:44650

約数の個数: 24

約数和(自身を含む): 48740328

約数和(自身を除く): 27048690

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 44633, 89266, 133899, 267798, 401697, 803394, 1205091, 2410182, 3615273, 7230546, 10845819, 21691638]

約数ペア:

[(1, 21691638), (2, 10845819), (3, 7230546), (6, 3615273), (9, 2410182), (18, 1205091), (27, 803394), (54, 401697), (81, 267798), (162, 133899), (243, 89266), (486, 44633)]