21222136

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{204059}}^1$

素因数の和:204078

約数の個数: 16

約数和(自身を含む): 42852600

約数和(自身を除く): 21630464

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 204059, 408118, 816236, 1632472, 2652767, 5305534, 10611068, 21222136]

約数ペア:

[(1, 21222136), (2, 10611068), (4, 5305534), (8, 2652767), (13, 1632472), (26, 816236), (52, 408118), (104, 204059)]