21015764

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{6203}}^1$

素因数の和:6236

約数の個数: 36

約数和(自身を含む): 46207392

約数和(自身を除く): 25191628

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 484, 847, 1694, 3388, 6203, 12406, 24812, 43421, 68233, 86842, 136466, 173684, 272932, 477631, 750563, 955262, 1501126, 1910524, 3002252, 5253941, 10507882, 21015764]

約数ペア:

[(1, 21015764), (2, 10507882), (4, 5253941), (7, 3002252), (11, 1910524), (14, 1501126), (22, 955262), (28, 750563), (44, 477631), (77, 272932), (121, 173684), (154, 136466), (242, 86842), (308, 68233), (484, 43421), (847, 24812), (1694, 12406), (3388, 6203)]