21452028

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8089}}^1$

素因数の和:8126

約数の個数: 48

約数和(自身を含む): 57083040

約数和(自身を除く): 35631012

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 102, 156, 204, 221, 442, 663, 884, 1326, 2652, 8089, 16178, 24267, 32356, 48534, 97068, 105157, 137513, 210314, 275026, 315471, 412539, 420628, 550052, 630942, 825078, 1261884, 1650156, 1787669, 3575338, 5363007, 7150676, 10726014, 21452028]

約数ペア:

[(1, 21452028), (2, 10726014), (3, 7150676), (4, 5363007), (6, 3575338), (12, 1787669), (13, 1650156), (17, 1261884), (26, 825078), (34, 630942), (39, 550052), (51, 420628), (52, 412539), (68, 315471), (78, 275026), (102, 210314), (156, 137513), (204, 105157), (221, 97068), (442, 48534), (663, 32356), (884, 24267), (1326, 16178), (2652, 8089)]