21972216

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{130787}}^1$

素因数の和:130803

約数の個数: 32

約数和(自身を含む): 62778240

約数和(自身を除く): 40806024

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 130787, 261574, 392361, 523148, 784722, 915509, 1046296, 1569444, 1831018, 2746527, 3138888, 3662036, 5493054, 7324072, 10986108, 21972216]

約数ペア:

[(1, 21972216), (2, 10986108), (3, 7324072), (4, 5493054), (6, 3662036), (7, 3138888), (8, 2746527), (12, 1831018), (14, 1569444), (21, 1046296), (24, 915509), (28, 784722), (42, 523148), (56, 392361), (84, 261574), (168, 130787)]