21375756

素因数分解:

$2^2\times 3^2\times {\mathrm{631}}^1\times {\mathrm{941}}^1$

素因数の和:1582

約数の個数: 36

約数和(自身を含む): 54176304

約数和(自身を除く): 32800548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 631, 941, 1262, 1882, 1893, 2524, 2823, 3764, 3786, 5646, 5679, 7572, 8469, 11292, 11358, 16938, 22716, 33876, 593771, 1187542, 1781313, 2375084, 3562626, 5343939, 7125252, 10687878, 21375756]

約数ペア:

[(1, 21375756), (2, 10687878), (3, 7125252), (4, 5343939), (6, 3562626), (9, 2375084), (12, 1781313), (18, 1187542), (36, 593771), (631, 33876), (941, 22716), (1262, 16938), (1882, 11358), (1893, 11292), (2524, 8469), (2823, 7572), (3764, 5679), (3786, 5646)]