21619404

素因数分解:

$2^2\times 3^2\times {\mathrm{223}}^1\times {\mathrm{2693}}^1$

素因数の和:2926

約数の個数: 36

約数和(自身を含む): 54914496

約数和(自身を除く): 33295092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 223, 446, 669, 892, 1338, 2007, 2676, 2693, 4014, 5386, 8028, 8079, 10772, 16158, 24237, 32316, 48474, 96948, 600539, 1201078, 1801617, 2402156, 3603234, 5404851, 7206468, 10809702, 21619404]

約数ペア:

[(1, 21619404), (2, 10809702), (3, 7206468), (4, 5404851), (6, 3603234), (9, 2402156), (12, 1801617), (18, 1201078), (36, 600539), (223, 96948), (446, 48474), (669, 32316), (892, 24237), (1338, 16158), (2007, 10772), (2676, 8079), (2693, 8028), (4014, 5386)]