21861384

素因数分解:

$2^3\times 3^1\times {\mathrm{107}}^1\times {\mathrm{8513}}^1$

素因数の和:8629

約数の個数: 32

約数和(自身を含む): 55170720

約数和(自身を除く): 33309336

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 107, 214, 321, 428, 642, 856, 1284, 2568, 8513, 17026, 25539, 34052, 51078, 68104, 102156, 204312, 910891, 1821782, 2732673, 3643564, 5465346, 7287128, 10930692, 21861384]

約数ペア:

[(1, 21861384), (2, 10930692), (3, 7287128), (4, 5465346), (6, 3643564), (8, 2732673), (12, 1821782), (24, 910891), (107, 204312), (214, 102156), (321, 68104), (428, 51078), (642, 34052), (856, 25539), (1284, 17026), (2568, 8513)]