21027207968

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{463}}^1\times {\mathrm{109171}}^1$

素因数の和:109657

約数の個数: 48

約数和(自身を含む): 44678422656

約数和(自身を除く): 23651214688

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 463, 926, 1852, 3704, 6019, 7408, 12038, 14816, 24076, 48152, 96304, 109171, 192608, 218342, 436684, 873368, 1419223, 1746736, 2838446, 3493472, 5676892, 11353784, 22707568, 45415136, 50546173, 101092346, 202184692, 404369384, 657100249, 808738768, 1314200498, 1617477536, 2628400996, 5256801992, 10513603984, 21027207968]

約数ペア:

[(1, 21027207968), (2, 10513603984), (4, 5256801992), (8, 2628400996), (13, 1617477536), (16, 1314200498), (26, 808738768), (32, 657100249), (52, 404369384), (104, 202184692), (208, 101092346), (416, 50546173), (463, 45415136), (926, 22707568), (1852, 11353784), (3704, 5676892), (6019, 3493472), (7408, 2838446), (12038, 1746736), (14816, 1419223), (24076, 873368), (48152, 436684), (96304, 218342), (109171, 192608)]