21063380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81013}}^1$

素因数の和:81035

約数の個数: 24

約数和(自身を含む): 47636232

約数和(自身を除く): 26572852

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 81013, 162026, 324052, 405065, 810130, 1053169, 1620260, 2106338, 4212676, 5265845, 10531690, 21063380]

約数ペア:

[(1, 21063380), (2, 10531690), (4, 5265845), (5, 4212676), (10, 2106338), (13, 1620260), (20, 1053169), (26, 810130), (52, 405065), (65, 324052), (130, 162026), (260, 81013)]