21862510

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{128603}}^1$

素因数の和:128627

約数の個数: 16

約数和(自身を含む): 41667696

約数和(自身を除く): 19805186

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 128603, 257206, 643015, 1286030, 2186251, 4372502, 10931255, 21862510]

約数ペア:

[(1, 21862510), (2, 10931255), (5, 4372502), (10, 2186251), (17, 1286030), (34, 643015), (85, 257206), (170, 128603)]