21304128

素因数分解:

$2^6\times 3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:200

約数の個数: 112

約数和(自身を含む): 61228224

約数和(自身を除く): 39924096

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 61, 64, 68, 96, 102, 107, 122, 136, 183, 192, 204, 214, 244, 272, 321, 366, 408, 428, 488, 544, 642, 732, 816, 856, 976, 1037, 1088, 1284, 1464, 1632, 1712, 1819, 1952, 2074, 2568, 2928, 3111, 3264, 3424, 3638, 3904, 4148, 5136, 5457, 5856, 6222, 6527, 6848, 7276, 8296, 10272, 10914, 11712, 12444, 13054, 14552, 16592, 19581, 20544, 21828, 24888, 26108, 29104, 33184, 39162, 43656, 49776, 52216, 58208, 66368, 78324, 87312, 99552, 104432, 110959, 116416, 156648, 174624, 199104, 208864, 221918, 313296, 332877, 349248, 417728, 443836, 626592, 665754, 887672, 1253184, 1331508, 1775344, 2663016, 3550688, 5326032, 7101376, 10652064, 21304128]

約数ペア:

[(1, 21304128), (2, 10652064), (3, 7101376), (4, 5326032), (6, 3550688), (8, 2663016), (12, 1775344), (16, 1331508), (17, 1253184), (24, 887672), (32, 665754), (34, 626592), (48, 443836), (51, 417728), (61, 349248), (64, 332877), (68, 313296), (96, 221918), (102, 208864), (107, 199104), (122, 174624), (136, 156648), (183, 116416), (192, 110959), (204, 104432), (214, 99552), (244, 87312), (272, 78324), (321, 66368), (366, 58208), (408, 52216), (428, 49776), (488, 43656), (544, 39162), (642, 33184), (732, 29104), (816, 26108), (856, 24888), (976, 21828), (1037, 20544), (1088, 19581), (1284, 16592), (1464, 14552), (1632, 13054), (1712, 12444), (1819, 11712), (1952, 10914), (2074, 10272), (2568, 8296), (2928, 7276), (3111, 6848), (3264, 6527), (3424, 6222), (3638, 5856), (3904, 5457), (4148, 5136)]