21032675995

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{20743}}^1$

素因数の和:20995

約数の個数: 32

約数和(自身を含む): 27242680320

約数和(自身を除く): 6210004325

約数列:

[1, 5, 17, 79, 85, 151, 395, 755, 1343, 2567, 6715, 11929, 12835, 20743, 59645, 103715, 202793, 352631, 1013965, 1638697, 1763155, 3132193, 8193485, 15660965, 27857849, 53247281, 139289245, 247443247, 266236405, 1237216235, 4206535199, 21032675995]

約数ペア:

[(1, 21032675995), (5, 4206535199), (17, 1237216235), (79, 266236405), (85, 247443247), (151, 139289245), (395, 53247281), (755, 27857849), (1343, 15660965), (2567, 8193485), (6715, 3132193), (11929, 1763155), (12835, 1638697), (20743, 1013965), (59645, 352631), (103715, 202793)]