21308784

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{63419}}^1$

素因数の和:63437

約数の個数: 40

約数和(自身を含む): 62912640

約数和(自身を除く): 41603856

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 63419, 126838, 190257, 253676, 380514, 443933, 507352, 761028, 887866, 1014704, 1331799, 1522056, 1775732, 2663598, 3044112, 3551464, 5327196, 7102928, 10654392, 21308784]

約数ペア:

[(1, 21308784), (2, 10654392), (3, 7102928), (4, 5327196), (6, 3551464), (7, 3044112), (8, 2663598), (12, 1775732), (14, 1522056), (16, 1331799), (21, 1014704), (24, 887866), (28, 761028), (42, 507352), (48, 443933), (56, 380514), (84, 253676), (112, 190257), (168, 126838), (336, 63419)]