21970884

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{140839}}^1$

素因数の和:140859

約数の個数: 24

約数和(自身を含む): 55209280

約数和(自身を除く): 33238396

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 140839, 281678, 422517, 563356, 845034, 1690068, 1830907, 3661814, 5492721, 7323628, 10985442, 21970884]

約数ペア:

[(1, 21970884), (2, 10985442), (3, 7323628), (4, 5492721), (6, 3661814), (12, 1830907), (13, 1690068), (26, 845034), (39, 563356), (52, 422517), (78, 281678), (156, 140839)]