21373245

素因数分解:

$3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2251}}^1$

素因数の和:2473

約数の個数: 24

約数和(自身を含む): 37239072

約数和(自身を除く): 15865827

約数列:

[1, 3, 5, 9, 15, 45, 211, 633, 1055, 1899, 2251, 3165, 6753, 9495, 11255, 20259, 33765, 101295, 474961, 1424883, 2374805, 4274649, 7124415, 21373245]

約数ペア:

[(1, 21373245), (3, 7124415), (5, 4274649), (9, 2374805), (15, 1424883), (45, 474961), (211, 101295), (633, 33765), (1055, 20259), (1899, 11255), (2251, 9495), (3165, 6753)]