21644208

素因数分解:

$2^4\times 3^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:187

約数の個数: 120

約数和(自身を含む): 64415520

約数和(自身を除く): 42771312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 36, 48, 58, 71, 72, 73, 87, 116, 142, 144, 146, 174, 213, 219, 232, 261, 284, 292, 348, 426, 438, 464, 522, 568, 584, 639, 657, 696, 852, 876, 1044, 1136, 1168, 1278, 1314, 1392, 1704, 1752, 2059, 2088, 2117, 2556, 2628, 3408, 3504, 4118, 4176, 4234, 5112, 5183, 5256, 6177, 6351, 8236, 8468, 10224, 10366, 10512, 12354, 12702, 15549, 16472, 16936, 18531, 19053, 20732, 24708, 25404, 31098, 32944, 33872, 37062, 38106, 41464, 46647, 49416, 50808, 62196, 74124, 76212, 82928, 93294, 98832, 101616, 124392, 148248, 150307, 152424, 186588, 248784, 296496, 300614, 304848, 373176, 450921, 601228, 746352, 901842, 1202456, 1352763, 1803684, 2404912, 2705526, 3607368, 5411052, 7214736, 10822104, 21644208]

約数ペア:

[(1, 21644208), (2, 10822104), (3, 7214736), (4, 5411052), (6, 3607368), (8, 2705526), (9, 2404912), (12, 1803684), (16, 1352763), (18, 1202456), (24, 901842), (29, 746352), (36, 601228), (48, 450921), (58, 373176), (71, 304848), (72, 300614), (73, 296496), (87, 248784), (116, 186588), (142, 152424), (144, 150307), (146, 148248), (174, 124392), (213, 101616), (219, 98832), (232, 93294), (261, 82928), (284, 76212), (292, 74124), (348, 62196), (426, 50808), (438, 49416), (464, 46647), (522, 41464), (568, 38106), (584, 37062), (639, 33872), (657, 32944), (696, 31098), (852, 25404), (876, 24708), (1044, 20732), (1136, 19053), (1168, 18531), (1278, 16936), (1314, 16472), (1392, 15549), (1704, 12702), (1752, 12354), (2059, 10512), (2088, 10366), (2117, 10224), (2556, 8468), (2628, 8236), (3408, 6351), (3504, 6177), (4118, 5256), (4176, 5183), (4234, 5112)]