21739401

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1367}}^1$

素因数の和:1426

約数の個数: 32

約数和(自身を含む): 35020800

約数和(自身を除く): 13281399

約数列:

[1, 3, 9, 19, 27, 31, 57, 93, 171, 279, 513, 589, 837, 1367, 1767, 4101, 5301, 12303, 15903, 25973, 36909, 42377, 77919, 127131, 233757, 381393, 701271, 805163, 1144179, 2415489, 7246467, 21739401]

約数ペア:

[(1, 21739401), (3, 7246467), (9, 2415489), (19, 1144179), (27, 805163), (31, 701271), (57, 381393), (93, 233757), (171, 127131), (279, 77919), (513, 42377), (589, 36909), (837, 25973), (1367, 15903), (1767, 12303), (4101, 5301)]