21891142

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17183}}^1$

素因数の和:17212

約数の個数: 24

約数和(自身を含む): 41138496

約数和(自身を除く): 19247354

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1274, 17183, 34366, 120281, 223379, 240562, 446758, 841967, 1563653, 1683934, 3127306, 10945571, 21891142]

約数ペア:

[(1, 21891142), (2, 10945571), (7, 3127306), (13, 1683934), (14, 1563653), (26, 841967), (49, 446758), (91, 240562), (98, 223379), (182, 120281), (637, 34366), (1274, 17183)]