21913728

素因数分解:

$2^7\times 3^1\times {\mathrm{149}}^1\times {\mathrm{383}}^1$

素因数の和:549

約数の個数: 64

約数和(自身を含む): 58752000

約数和(自身を除く): 36838272

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 149, 192, 298, 383, 384, 447, 596, 766, 894, 1149, 1192, 1532, 1788, 2298, 2384, 3064, 3576, 4596, 4768, 6128, 7152, 9192, 9536, 12256, 14304, 18384, 19072, 24512, 28608, 36768, 49024, 57067, 57216, 73536, 114134, 147072, 171201, 228268, 342402, 456536, 684804, 913072, 1369608, 1826144, 2739216, 3652288, 5478432, 7304576, 10956864, 21913728]

約数ペア:

[(1, 21913728), (2, 10956864), (3, 7304576), (4, 5478432), (6, 3652288), (8, 2739216), (12, 1826144), (16, 1369608), (24, 913072), (32, 684804), (48, 456536), (64, 342402), (96, 228268), (128, 171201), (149, 147072), (192, 114134), (298, 73536), (383, 57216), (384, 57067), (447, 49024), (596, 36768), (766, 28608), (894, 24512), (1149, 19072), (1192, 18384), (1532, 14304), (1788, 12256), (2298, 9536), (2384, 9192), (3064, 7152), (3576, 6128), (4596, 4768)]