21485352

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:215

約数の個数: 128

約数和(自身を含む): 66355200

約数和(自身を除く): 44869848

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 53, 56, 57, 76, 84, 106, 114, 127, 133, 152, 159, 168, 212, 228, 254, 266, 318, 371, 381, 399, 424, 456, 508, 532, 636, 742, 762, 798, 889, 1007, 1016, 1064, 1113, 1272, 1484, 1524, 1596, 1778, 2014, 2226, 2413, 2667, 2968, 3021, 3048, 3192, 3556, 4028, 4452, 4826, 5334, 6042, 6731, 7049, 7112, 7239, 8056, 8904, 9652, 10668, 12084, 13462, 14098, 14478, 16891, 19304, 20193, 21147, 21336, 24168, 26924, 28196, 28956, 33782, 40386, 42294, 47117, 50673, 53848, 56392, 57912, 67564, 80772, 84588, 94234, 101346, 127889, 135128, 141351, 161544, 169176, 188468, 202692, 255778, 282702, 376936, 383667, 405384, 511556, 565404, 767334, 895223, 1023112, 1130808, 1534668, 1790446, 2685669, 3069336, 3580892, 5371338, 7161784, 10742676, 21485352]

約数ペア:

[(1, 21485352), (2, 10742676), (3, 7161784), (4, 5371338), (6, 3580892), (7, 3069336), (8, 2685669), (12, 1790446), (14, 1534668), (19, 1130808), (21, 1023112), (24, 895223), (28, 767334), (38, 565404), (42, 511556), (53, 405384), (56, 383667), (57, 376936), (76, 282702), (84, 255778), (106, 202692), (114, 188468), (127, 169176), (133, 161544), (152, 141351), (159, 135128), (168, 127889), (212, 101346), (228, 94234), (254, 84588), (266, 80772), (318, 67564), (371, 57912), (381, 56392), (399, 53848), (424, 50673), (456, 47117), (508, 42294), (532, 40386), (636, 33782), (742, 28956), (762, 28196), (798, 26924), (889, 24168), (1007, 21336), (1016, 21147), (1064, 20193), (1113, 19304), (1272, 16891), (1484, 14478), (1524, 14098), (1596, 13462), (1778, 12084), (2014, 10668), (2226, 9652), (2413, 8904), (2667, 8056), (2968, 7239), (3021, 7112), (3048, 7049), (3192, 6731), (3556, 6042), (4028, 5334), (4452, 4826)]