21466090

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{74021}}^1$

素因数の和:74057

約数の個数: 16

約数和(自身を含む): 39971880

約数和(自身を除く): 18505790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 74021, 148042, 370105, 740210, 2146609, 4293218, 10733045, 21466090]

約数ペア:

[(1, 21466090), (2, 10733045), (5, 4293218), (10, 2146609), (29, 740210), (58, 370105), (145, 148042), (290, 74021)]