21561336

素因数分解:

$2^3\times 3^3\times {\mathrm{173}}^1\times {\mathrm{577}}^1$

素因数の和:765

約数の個数: 64

約数和(自身を含む): 60343200

約数和(自身を除く): 38781864

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 173, 216, 346, 519, 577, 692, 1038, 1154, 1384, 1557, 1731, 2076, 2308, 3114, 3462, 4152, 4616, 4671, 5193, 6228, 6924, 9342, 10386, 12456, 13848, 15579, 18684, 20772, 31158, 37368, 41544, 62316, 99821, 124632, 199642, 299463, 399284, 598926, 798568, 898389, 1197852, 1796778, 2395704, 2695167, 3593556, 5390334, 7187112, 10780668, 21561336]

約数ペア:

[(1, 21561336), (2, 10780668), (3, 7187112), (4, 5390334), (6, 3593556), (8, 2695167), (9, 2395704), (12, 1796778), (18, 1197852), (24, 898389), (27, 798568), (36, 598926), (54, 399284), (72, 299463), (108, 199642), (173, 124632), (216, 99821), (346, 62316), (519, 41544), (577, 37368), (692, 31158), (1038, 20772), (1154, 18684), (1384, 15579), (1557, 13848), (1731, 12456), (2076, 10386), (2308, 9342), (3114, 6924), (3462, 6228), (4152, 5193), (4616, 4671)]