21395794

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{349}}^1$

素因数の和:538

約数の個数: 32

約数和(自身を含む): 38304000

約数和(自身を除く): 16908206

約数列:

[1, 2, 7, 14, 29, 58, 151, 203, 302, 349, 406, 698, 1057, 2114, 2443, 4379, 4886, 8758, 10121, 20242, 30653, 52699, 61306, 70847, 105398, 141694, 368893, 737786, 1528271, 3056542, 10697897, 21395794]

約数ペア:

[(1, 21395794), (2, 10697897), (7, 3056542), (14, 1528271), (29, 737786), (58, 368893), (151, 141694), (203, 105398), (302, 70847), (349, 61306), (406, 52699), (698, 30653), (1057, 20242), (2114, 10121), (2443, 8758), (4379, 4886)]