21975552

素因数分解:

$2^9\times 3^2\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:294

約数の個数: 120

約数和(自身を含む): 67026960

約数和(自身を除く): 45051408

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 64, 72, 76, 96, 114, 128, 144, 152, 171, 192, 228, 251, 256, 288, 304, 342, 384, 456, 502, 512, 576, 608, 684, 753, 768, 912, 1004, 1152, 1216, 1368, 1506, 1536, 1824, 2008, 2259, 2304, 2432, 2736, 3012, 3648, 4016, 4518, 4608, 4769, 4864, 5472, 6024, 7296, 8032, 9036, 9538, 9728, 10944, 12048, 14307, 14592, 16064, 18072, 19076, 21888, 24096, 28614, 29184, 32128, 36144, 38152, 42921, 43776, 48192, 57228, 64256, 72288, 76304, 85842, 87552, 96384, 114456, 128512, 144576, 152608, 171684, 192768, 228912, 289152, 305216, 343368, 385536, 457824, 578304, 610432, 686736, 915648, 1156608, 1220864, 1373472, 1831296, 2441728, 2746944, 3662592, 5493888, 7325184, 10987776, 21975552]

約数ペア:

[(1, 21975552), (2, 10987776), (3, 7325184), (4, 5493888), (6, 3662592), (8, 2746944), (9, 2441728), (12, 1831296), (16, 1373472), (18, 1220864), (19, 1156608), (24, 915648), (32, 686736), (36, 610432), (38, 578304), (48, 457824), (57, 385536), (64, 343368), (72, 305216), (76, 289152), (96, 228912), (114, 192768), (128, 171684), (144, 152608), (152, 144576), (171, 128512), (192, 114456), (228, 96384), (251, 87552), (256, 85842), (288, 76304), (304, 72288), (342, 64256), (384, 57228), (456, 48192), (502, 43776), (512, 42921), (576, 38152), (608, 36144), (684, 32128), (753, 29184), (768, 28614), (912, 24096), (1004, 21888), (1152, 19076), (1216, 18072), (1368, 16064), (1506, 14592), (1536, 14307), (1824, 12048), (2008, 10944), (2259, 9728), (2304, 9538), (2432, 9036), (2736, 8032), (3012, 7296), (3648, 6024), (4016, 5472), (4518, 4864), (4608, 4769)]