21695016

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:179

約数の個数: 128

約数和(自身を含む): 66067200

約数和(自身を除く): 44372184

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 29, 42, 56, 58, 61, 73, 84, 87, 116, 122, 146, 168, 174, 183, 203, 219, 232, 244, 292, 348, 366, 406, 427, 438, 488, 511, 584, 609, 696, 732, 812, 854, 876, 1022, 1218, 1281, 1464, 1533, 1624, 1708, 1752, 1769, 2044, 2117, 2436, 2562, 3066, 3416, 3538, 4088, 4234, 4453, 4872, 5124, 5307, 6132, 6351, 7076, 8468, 8906, 10248, 10614, 12264, 12383, 12702, 13359, 14152, 14819, 16936, 17812, 21228, 24766, 25404, 26718, 29638, 31171, 35624, 37149, 42456, 44457, 49532, 50808, 53436, 59276, 62342, 74298, 88914, 93513, 99064, 106872, 118552, 124684, 129137, 148596, 177828, 187026, 249368, 258274, 297192, 355656, 374052, 387411, 516548, 748104, 774822, 903959, 1033096, 1549644, 1807918, 2711877, 3099288, 3615836, 5423754, 7231672, 10847508, 21695016]

約数ペア:

[(1, 21695016), (2, 10847508), (3, 7231672), (4, 5423754), (6, 3615836), (7, 3099288), (8, 2711877), (12, 1807918), (14, 1549644), (21, 1033096), (24, 903959), (28, 774822), (29, 748104), (42, 516548), (56, 387411), (58, 374052), (61, 355656), (73, 297192), (84, 258274), (87, 249368), (116, 187026), (122, 177828), (146, 148596), (168, 129137), (174, 124684), (183, 118552), (203, 106872), (219, 99064), (232, 93513), (244, 88914), (292, 74298), (348, 62342), (366, 59276), (406, 53436), (427, 50808), (438, 49532), (488, 44457), (511, 42456), (584, 37149), (609, 35624), (696, 31171), (732, 29638), (812, 26718), (854, 25404), (876, 24766), (1022, 21228), (1218, 17812), (1281, 16936), (1464, 14819), (1533, 14152), (1624, 13359), (1708, 12702), (1752, 12383), (1769, 12264), (2044, 10614), (2117, 10248), (2436, 8906), (2562, 8468), (3066, 7076), (3416, 6351), (3538, 6132), (4088, 5307), (4234, 5124), (4453, 4872)]