21000346738

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2239}}^1\times {\mathrm{39409}}^1$

素因数の和:41674

約数の個数: 32

約数和(自身を含む): 38136268800

約数和(自身を除く): 17135922062

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 2239, 4478, 15673, 31346, 38063, 39409, 76126, 78818, 266441, 275863, 532882, 551726, 669953, 1339906, 4689671, 9379342, 88236751, 176473502, 617657257, 1235314514, 1500024767, 3000049534, 10500173369, 21000346738]

約数ペア:

[(1, 21000346738), (2, 10500173369), (7, 3000049534), (14, 1500024767), (17, 1235314514), (34, 617657257), (119, 176473502), (238, 88236751), (2239, 9379342), (4478, 4689671), (15673, 1339906), (31346, 669953), (38063, 551726), (39409, 532882), (76126, 275863), (78818, 266441)]