21096390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{100459}}^1$

素因数の和:100476

約数の個数: 32

約数和(自身を含む): 57864960

約数和(自身を除く): 36768570

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 100459, 200918, 301377, 502295, 602754, 703213, 1004590, 1406426, 1506885, 2109639, 3013770, 3516065, 4219278, 7032130, 10548195, 21096390]

約数ペア:

[(1, 21096390), (2, 10548195), (3, 7032130), (5, 4219278), (6, 3516065), (7, 3013770), (10, 2109639), (14, 1506885), (15, 1406426), (21, 1004590), (30, 703213), (35, 602754), (42, 502295), (70, 301377), (105, 200918), (210, 100459)]