21463695

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{331}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 41019264

約数和(自身を除く): 19555569

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 131, 165, 331, 393, 495, 655, 993, 1179, 1441, 1655, 1965, 2979, 3641, 4323, 4965, 5895, 7205, 10923, 12969, 14895, 18205, 21615, 32769, 43361, 54615, 64845, 130083, 163845, 216805, 390249, 476971, 650415, 1430913, 1951245, 2384855, 4292739, 7154565, 21463695]

約数ペア:

[(1, 21463695), (3, 7154565), (5, 4292739), (9, 2384855), (11, 1951245), (15, 1430913), (33, 650415), (45, 476971), (55, 390249), (99, 216805), (131, 163845), (165, 130083), (331, 64845), (393, 54615), (495, 43361), (655, 32769), (993, 21615), (1179, 18205), (1441, 14895), (1655, 12969), (1965, 10923), (2979, 7205), (3641, 5895), (4323, 4965)]