21088008

素因数分解:

$2^3\times 3^2\times {\mathrm{173}}^1\times {\mathrm{1693}}^1$

素因数の和:1878

約数の個数: 48

約数和(自身を含む): 57477420

約数和(自身を除く): 36389412

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 173, 346, 519, 692, 1038, 1384, 1557, 1693, 2076, 3114, 3386, 4152, 5079, 6228, 6772, 10158, 12456, 13544, 15237, 20316, 30474, 40632, 60948, 121896, 292889, 585778, 878667, 1171556, 1757334, 2343112, 2636001, 3514668, 5272002, 7029336, 10544004, 21088008]

約数ペア:

[(1, 21088008), (2, 10544004), (3, 7029336), (4, 5272002), (6, 3514668), (8, 2636001), (9, 2343112), (12, 1757334), (18, 1171556), (24, 878667), (36, 585778), (72, 292889), (173, 121896), (346, 60948), (519, 40632), (692, 30474), (1038, 20316), (1384, 15237), (1557, 13544), (1693, 12456), (2076, 10158), (3114, 6772), (3386, 6228), (4152, 5079)]