21504592

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{457}}^1$

素因数の和:655

約数の個数: 40

約数和(自身を含む): 44468136

約数和(自身を除く): 22963544

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 173, 272, 346, 457, 692, 914, 1384, 1828, 2768, 2941, 3656, 5882, 7312, 7769, 11764, 15538, 23528, 31076, 47056, 62152, 79061, 124304, 158122, 316244, 632488, 1264976, 1344037, 2688074, 5376148, 10752296, 21504592]

約数ペア:

[(1, 21504592), (2, 10752296), (4, 5376148), (8, 2688074), (16, 1344037), (17, 1264976), (34, 632488), (68, 316244), (136, 158122), (173, 124304), (272, 79061), (346, 62152), (457, 47056), (692, 31076), (914, 23528), (1384, 15538), (1828, 11764), (2768, 7769), (2941, 7312), (3656, 5882)]