21377835

素因数分解:

$3^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1753}}^1$

素因数の和:2035

約数の個数: 24

約数和(自身を含む): 37212864

約数和(自身を除く): 15835029

約数列:

[1, 3, 5, 9, 15, 45, 271, 813, 1355, 1753, 2439, 4065, 5259, 8765, 12195, 15777, 26295, 78885, 475063, 1425189, 2375315, 4275567, 7125945, 21377835]

約数ペア:

[(1, 21377835), (3, 7125945), (5, 4275567), (9, 2375315), (15, 1425189), (45, 475063), (271, 78885), (813, 26295), (1355, 15777), (1753, 12195), (2439, 8765), (4065, 5259)]