21494304

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{5741}}^1$

素因数の和:5770

約数の個数: 72

約数和(自身を含む): 65837772

約数和(自身を除く): 44343468

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 5741, 11482, 17223, 22964, 34446, 45928, 51669, 68892, 74633, 91856, 103338, 137784, 149266, 183712, 206676, 223899, 275568, 298532, 413352, 447798, 551136, 597064, 671697, 826704, 895596, 1194128, 1343394, 1653408, 1791192, 2388256, 2686788, 3582384, 5373576, 7164768, 10747152, 21494304]

約数ペア:

[(1, 21494304), (2, 10747152), (3, 7164768), (4, 5373576), (6, 3582384), (8, 2686788), (9, 2388256), (12, 1791192), (13, 1653408), (16, 1343394), (18, 1194128), (24, 895596), (26, 826704), (32, 671697), (36, 597064), (39, 551136), (48, 447798), (52, 413352), (72, 298532), (78, 275568), (96, 223899), (104, 206676), (117, 183712), (144, 149266), (156, 137784), (208, 103338), (234, 91856), (288, 74633), (312, 68892), (416, 51669), (468, 45928), (624, 34446), (936, 22964), (1248, 17223), (1872, 11482), (3744, 5741)]