21461688

素因数分解:

$2^3\times 3^2\times {\mathrm{173}}^1\times {\mathrm{1723}}^1$

素因数の和:1908

約数の個数: 48

約数和(自身を含む): 58495320

約数和(自身を除く): 37033632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 173, 346, 519, 692, 1038, 1384, 1557, 1723, 2076, 3114, 3446, 4152, 5169, 6228, 6892, 10338, 12456, 13784, 15507, 20676, 31014, 41352, 62028, 124056, 298079, 596158, 894237, 1192316, 1788474, 2384632, 2682711, 3576948, 5365422, 7153896, 10730844, 21461688]

約数ペア:

[(1, 21461688), (2, 10730844), (3, 7153896), (4, 5365422), (6, 3576948), (8, 2682711), (9, 2384632), (12, 1788474), (18, 1192316), (24, 894237), (36, 596158), (72, 298079), (173, 124056), (346, 62028), (519, 41352), (692, 31014), (1038, 20676), (1384, 15507), (1557, 13784), (1723, 12456), (2076, 10338), (3114, 6892), (3446, 6228), (4152, 5169)]