21951335

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{467}}^1$

素因数の和:575

約数の個数: 32

約数和(自身を含む): 32348160

約数和(自身を除く): 10396825

約数列:

[1, 5, 7, 17, 35, 79, 85, 119, 395, 467, 553, 595, 1343, 2335, 2765, 3269, 6715, 7939, 9401, 16345, 36893, 39695, 47005, 55573, 184465, 258251, 277865, 627181, 1291255, 3135905, 4390267, 21951335]

約数ペア:

[(1, 21951335), (5, 4390267), (7, 3135905), (17, 1291255), (35, 627181), (79, 277865), (85, 258251), (119, 184465), (395, 55573), (467, 47005), (553, 39695), (595, 36893), (1343, 16345), (2335, 9401), (2765, 7939), (3269, 6715)]