21872736

素因数分解:

$2^5\times 3^2\times {\mathrm{173}}^1\times {\mathrm{439}}^1$

素因数の和:628

約数の個数: 72

約数和(自身を含む): 62702640

約数和(自身を除く): 40829904

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 173, 288, 346, 439, 519, 692, 878, 1038, 1317, 1384, 1557, 1756, 2076, 2634, 2768, 3114, 3512, 3951, 4152, 5268, 5536, 6228, 7024, 7902, 8304, 10536, 12456, 14048, 15804, 16608, 21072, 24912, 31608, 42144, 49824, 63216, 75947, 126432, 151894, 227841, 303788, 455682, 607576, 683523, 911364, 1215152, 1367046, 1822728, 2430304, 2734092, 3645456, 5468184, 7290912, 10936368, 21872736]

約数ペア:

[(1, 21872736), (2, 10936368), (3, 7290912), (4, 5468184), (6, 3645456), (8, 2734092), (9, 2430304), (12, 1822728), (16, 1367046), (18, 1215152), (24, 911364), (32, 683523), (36, 607576), (48, 455682), (72, 303788), (96, 227841), (144, 151894), (173, 126432), (288, 75947), (346, 63216), (439, 49824), (519, 42144), (692, 31608), (878, 24912), (1038, 21072), (1317, 16608), (1384, 15804), (1557, 14048), (1756, 12456), (2076, 10536), (2634, 8304), (2768, 7902), (3114, 7024), (3512, 6228), (3951, 5536), (4152, 5268)]