21628278

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{171653}}^1$

素因数の和:171668

約数の個数: 24

約数和(自身を含む): 53556048

約数和(自身を除く): 31927770

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 171653, 343306, 514959, 1029918, 1201571, 1544877, 2403142, 3089754, 3604713, 7209426, 10814139, 21628278]

約数ペア:

[(1, 21628278), (2, 10814139), (3, 7209426), (6, 3604713), (7, 3089754), (9, 2403142), (14, 1544877), (18, 1201571), (21, 1029918), (42, 514959), (63, 343306), (126, 171653)]