21341568

素因数分解:

$2^7\times 3^1\times {\mathrm{149}}^1\times {\mathrm{373}}^1$

素因数の和:539

約数の個数: 64

約数和(自身を含む): 57222000

約数和(自身を除く): 35880432

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 149, 192, 298, 373, 384, 447, 596, 746, 894, 1119, 1192, 1492, 1788, 2238, 2384, 2984, 3576, 4476, 4768, 5968, 7152, 8952, 9536, 11936, 14304, 17904, 19072, 23872, 28608, 35808, 47744, 55577, 57216, 71616, 111154, 143232, 166731, 222308, 333462, 444616, 666924, 889232, 1333848, 1778464, 2667696, 3556928, 5335392, 7113856, 10670784, 21341568]

約数ペア:

[(1, 21341568), (2, 10670784), (3, 7113856), (4, 5335392), (6, 3556928), (8, 2667696), (12, 1778464), (16, 1333848), (24, 889232), (32, 666924), (48, 444616), (64, 333462), (96, 222308), (128, 166731), (149, 143232), (192, 111154), (298, 71616), (373, 57216), (384, 55577), (447, 47744), (596, 35808), (746, 28608), (894, 23872), (1119, 19072), (1192, 17904), (1492, 14304), (1788, 11936), (2238, 9536), (2384, 8952), (2984, 7152), (3576, 5968), (4476, 4768)]