21402008

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{30059}}^1$

素因数の和:30154

約数の個数: 16

約数和(自身を含む): 40581000

約数和(自身を除く): 19178992

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 30059, 60118, 120236, 240472, 2675251, 5350502, 10701004, 21402008]

約数ペア:

[(1, 21402008), (2, 10701004), (4, 5350502), (8, 2675251), (89, 240472), (178, 120236), (356, 60118), (712, 30059)]