21401702

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{487}}^1$

素因数の和:612

約数の個数: 32

約数和(自身を含む): 38134272

約数和(自身を除く): 16732570

約数列:

[1, 2, 7, 14, 43, 73, 86, 146, 301, 487, 511, 602, 974, 1022, 3139, 3409, 6278, 6818, 20941, 21973, 35551, 41882, 43946, 71102, 146587, 248857, 293174, 497714, 1528693, 3057386, 10700851, 21401702]

約数ペア:

[(1, 21401702), (2, 10700851), (7, 3057386), (14, 1528693), (43, 497714), (73, 293174), (86, 248857), (146, 146587), (301, 71102), (487, 43946), (511, 41882), (602, 35551), (974, 21973), (1022, 20941), (3139, 6818), (3409, 6278)]