21495540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32569}}^1$

素因数の和:32592

約数の個数: 48

約数和(自身を含む): 65661120

約数和(自身を除く): 44165580

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 32569, 65138, 97707, 130276, 162845, 195414, 325690, 358259, 390828, 488535, 651380, 716518, 977070, 1074777, 1433036, 1791295, 1954140, 2149554, 3582590, 4299108, 5373885, 7165180, 10747770, 21495540]

約数ペア:

[(1, 21495540), (2, 10747770), (3, 7165180), (4, 5373885), (5, 4299108), (6, 3582590), (10, 2149554), (11, 1954140), (12, 1791295), (15, 1433036), (20, 1074777), (22, 977070), (30, 716518), (33, 651380), (44, 488535), (55, 390828), (60, 358259), (66, 325690), (110, 195414), (132, 162845), (165, 130276), (220, 97707), (330, 65138), (660, 32569)]