21649524

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1297}}^1$

素因数の和:1424

約数の個数: 48

約数和(自身を含む): 54952128

約数和(自身を除く): 33302604

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 107, 156, 214, 321, 428, 642, 1284, 1297, 1391, 2594, 2782, 3891, 4173, 5188, 5564, 7782, 8346, 15564, 16692, 16861, 33722, 50583, 67444, 101166, 138779, 202332, 277558, 416337, 555116, 832674, 1665348, 1804127, 3608254, 5412381, 7216508, 10824762, 21649524]

約数ペア:

[(1, 21649524), (2, 10824762), (3, 7216508), (4, 5412381), (6, 3608254), (12, 1804127), (13, 1665348), (26, 832674), (39, 555116), (52, 416337), (78, 277558), (107, 202332), (156, 138779), (214, 101166), (321, 67444), (428, 50583), (642, 33722), (1284, 16861), (1297, 16692), (1391, 15564), (2594, 8346), (2782, 7782), (3891, 5564), (4173, 5188)]