212121412

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{4817}}^1$

素因数の和:5031

約数の個数: 24

約数和(自身を含む): 378405720

約数和(自身を除く): 166284308

約数列:

[1, 2, 4, 101, 109, 202, 218, 404, 436, 4817, 9634, 11009, 19268, 22018, 44036, 486517, 525053, 973034, 1050106, 1946068, 2100212, 53030353, 106060706, 212121412]

約数ペア:

[(1, 212121412), (2, 106060706), (4, 53030353), (101, 2100212), (109, 1946068), (202, 1050106), (218, 973034), (404, 525053), (436, 486517), (4817, 44036), (9634, 22018), (11009, 19268)]