21611814

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{2153}}^1$

素因数の和:2404

約数の個数: 32

約数和(自身を含む): 49628160

約数和(自身を除く): 28016346

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 239, 478, 717, 1434, 1673, 2153, 3346, 4306, 5019, 6459, 10038, 12918, 15071, 30142, 45213, 90426, 514567, 1029134, 1543701, 3087402, 3601969, 7203938, 10805907, 21611814]

約数ペア:

[(1, 21611814), (2, 10805907), (3, 7203938), (6, 3601969), (7, 3087402), (14, 1543701), (21, 1029134), (42, 514567), (239, 90426), (478, 45213), (717, 30142), (1434, 15071), (1673, 12918), (2153, 10038), (3346, 6459), (4306, 5019)]