21445536

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:171

約数の個数: 144

約数和(自身を含む): 67568256

約数和(自身を除く): 46122720

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 47, 48, 49, 56, 84, 94, 96, 97, 98, 112, 141, 147, 168, 188, 194, 196, 224, 282, 291, 294, 329, 336, 376, 388, 392, 564, 582, 588, 658, 672, 679, 752, 776, 784, 987, 1128, 1164, 1176, 1316, 1358, 1504, 1552, 1568, 1974, 2037, 2256, 2303, 2328, 2352, 2632, 2716, 3104, 3948, 4074, 4512, 4559, 4606, 4656, 4704, 4753, 5264, 5432, 6909, 7896, 8148, 9118, 9212, 9312, 9506, 10528, 10864, 13677, 13818, 14259, 15792, 16296, 18236, 18424, 19012, 21728, 27354, 27636, 28518, 31584, 31913, 32592, 36472, 36848, 38024, 54708, 55272, 57036, 63826, 65184, 72944, 73696, 76048, 95739, 109416, 110544, 114072, 127652, 145888, 152096, 191478, 218832, 221088, 223391, 228144, 255304, 382956, 437664, 446782, 456288, 510608, 670173, 765912, 893564, 1021216, 1340346, 1531824, 1787128, 2680692, 3063648, 3574256, 5361384, 7148512, 10722768, 21445536]

約数ペア:

[(1, 21445536), (2, 10722768), (3, 7148512), (4, 5361384), (6, 3574256), (7, 3063648), (8, 2680692), (12, 1787128), (14, 1531824), (16, 1340346), (21, 1021216), (24, 893564), (28, 765912), (32, 670173), (42, 510608), (47, 456288), (48, 446782), (49, 437664), (56, 382956), (84, 255304), (94, 228144), (96, 223391), (97, 221088), (98, 218832), (112, 191478), (141, 152096), (147, 145888), (168, 127652), (188, 114072), (194, 110544), (196, 109416), (224, 95739), (282, 76048), (291, 73696), (294, 72944), (329, 65184), (336, 63826), (376, 57036), (388, 55272), (392, 54708), (564, 38024), (582, 36848), (588, 36472), (658, 32592), (672, 31913), (679, 31584), (752, 28518), (776, 27636), (784, 27354), (987, 21728), (1128, 19012), (1164, 18424), (1176, 18236), (1316, 16296), (1358, 15792), (1504, 14259), (1552, 13818), (1568, 13677), (1974, 10864), (2037, 10528), (2256, 9506), (2303, 9312), (2328, 9212), (2352, 9118), (2632, 8148), (2716, 7896), (3104, 6909), (3948, 5432), (4074, 5264), (4512, 4753), (4559, 4704), (4606, 4656)]