21411456

素因数分解:

$2^7\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:202

約数の個数: 128

約数和(自身を含む): 64186560

約数和(自身を除く): 42775104

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 37, 44, 48, 64, 66, 74, 88, 96, 111, 128, 132, 137, 148, 176, 192, 222, 264, 274, 296, 352, 384, 407, 411, 444, 528, 548, 592, 704, 814, 822, 888, 1056, 1096, 1184, 1221, 1408, 1507, 1628, 1644, 1776, 2112, 2192, 2368, 2442, 3014, 3256, 3288, 3552, 4224, 4384, 4521, 4736, 4884, 5069, 6028, 6512, 6576, 7104, 8768, 9042, 9768, 10138, 12056, 13024, 13152, 14208, 15207, 17536, 18084, 19536, 20276, 24112, 26048, 26304, 30414, 36168, 39072, 40552, 48224, 52096, 52608, 55759, 60828, 72336, 78144, 81104, 96448, 111518, 121656, 144672, 156288, 162208, 167277, 192896, 223036, 243312, 289344, 324416, 334554, 446072, 486624, 578688, 648832, 669108, 892144, 973248, 1338216, 1784288, 1946496, 2676432, 3568576, 5352864, 7137152, 10705728, 21411456]

約数ペア:

[(1, 21411456), (2, 10705728), (3, 7137152), (4, 5352864), (6, 3568576), (8, 2676432), (11, 1946496), (12, 1784288), (16, 1338216), (22, 973248), (24, 892144), (32, 669108), (33, 648832), (37, 578688), (44, 486624), (48, 446072), (64, 334554), (66, 324416), (74, 289344), (88, 243312), (96, 223036), (111, 192896), (128, 167277), (132, 162208), (137, 156288), (148, 144672), (176, 121656), (192, 111518), (222, 96448), (264, 81104), (274, 78144), (296, 72336), (352, 60828), (384, 55759), (407, 52608), (411, 52096), (444, 48224), (528, 40552), (548, 39072), (592, 36168), (704, 30414), (814, 26304), (822, 26048), (888, 24112), (1056, 20276), (1096, 19536), (1184, 18084), (1221, 17536), (1408, 15207), (1507, 14208), (1628, 13152), (1644, 13024), (1776, 12056), (2112, 10138), (2192, 9768), (2368, 9042), (2442, 8768), (3014, 7104), (3256, 6576), (3288, 6512), (3552, 6028), (4224, 5069), (4384, 4884), (4521, 4736)]