21063952

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:105

約数の個数: 160

約数和(自身を含む): 56996352

約数和(自身を除く): 35932400

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 23, 26, 28, 34, 37, 46, 52, 56, 68, 74, 91, 92, 104, 112, 119, 136, 148, 161, 182, 184, 208, 221, 238, 259, 272, 296, 299, 322, 364, 368, 391, 442, 476, 481, 518, 592, 598, 629, 644, 728, 782, 851, 884, 952, 962, 1036, 1196, 1258, 1288, 1456, 1547, 1564, 1702, 1768, 1904, 1924, 2072, 2093, 2392, 2516, 2576, 2737, 3094, 3128, 3367, 3404, 3536, 3848, 4144, 4186, 4403, 4784, 5032, 5083, 5474, 5957, 6188, 6256, 6734, 6808, 7696, 8177, 8372, 8806, 10064, 10166, 10948, 11063, 11914, 12376, 13468, 13616, 14467, 16354, 16744, 17612, 20332, 21896, 22126, 23828, 24752, 26936, 28934, 32708, 33488, 35224, 35581, 40664, 43792, 44252, 47656, 53872, 57239, 57868, 65416, 70448, 71162, 77441, 81328, 88504, 95312, 101269, 114478, 115736, 130832, 142324, 154882, 177008, 188071, 202538, 228956, 231472, 284648, 309764, 376142, 405076, 457912, 569296, 619528, 752284, 810152, 915824, 1239056, 1316497, 1504568, 1620304, 2632994, 3009136, 5265988, 10531976, 21063952]

約数ペア:

[(1, 21063952), (2, 10531976), (4, 5265988), (7, 3009136), (8, 2632994), (13, 1620304), (14, 1504568), (16, 1316497), (17, 1239056), (23, 915824), (26, 810152), (28, 752284), (34, 619528), (37, 569296), (46, 457912), (52, 405076), (56, 376142), (68, 309764), (74, 284648), (91, 231472), (92, 228956), (104, 202538), (112, 188071), (119, 177008), (136, 154882), (148, 142324), (161, 130832), (182, 115736), (184, 114478), (208, 101269), (221, 95312), (238, 88504), (259, 81328), (272, 77441), (296, 71162), (299, 70448), (322, 65416), (364, 57868), (368, 57239), (391, 53872), (442, 47656), (476, 44252), (481, 43792), (518, 40664), (592, 35581), (598, 35224), (629, 33488), (644, 32708), (728, 28934), (782, 26936), (851, 24752), (884, 23828), (952, 22126), (962, 21896), (1036, 20332), (1196, 17612), (1258, 16744), (1288, 16354), (1456, 14467), (1547, 13616), (1564, 13468), (1702, 12376), (1768, 11914), (1904, 11063), (1924, 10948), (2072, 10166), (2093, 10064), (2392, 8806), (2516, 8372), (2576, 8177), (2737, 7696), (3094, 6808), (3128, 6734), (3367, 6256), (3404, 6188), (3536, 5957), (3848, 5474), (4144, 5083), (4186, 5032), (4403, 4784)]