21701628

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:109

約数の個数: 144

約数和(自身を含む): 64562400

約数和(自身を除く): 42860772

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 29, 36, 39, 41, 52, 54, 58, 78, 82, 87, 108, 116, 117, 123, 156, 164, 169, 174, 234, 246, 261, 338, 348, 351, 369, 377, 468, 492, 507, 522, 533, 676, 702, 738, 754, 783, 1014, 1044, 1066, 1107, 1131, 1189, 1404, 1476, 1508, 1521, 1566, 1599, 2028, 2132, 2214, 2262, 2378, 3042, 3132, 3198, 3393, 3567, 4428, 4524, 4563, 4756, 4797, 4901, 6084, 6396, 6786, 6929, 7134, 9126, 9594, 9802, 10179, 10701, 13572, 13858, 14268, 14391, 14703, 15457, 18252, 19188, 19604, 20358, 20787, 21402, 27716, 28782, 29406, 30914, 32103, 40716, 41574, 42804, 44109, 46371, 57564, 58812, 61828, 62361, 64206, 83148, 88218, 92742, 124722, 128412, 132327, 139113, 176436, 185484, 187083, 200941, 249444, 264654, 278226, 374166, 401882, 417339, 529308, 556452, 602823, 748332, 803764, 834678, 1205646, 1669356, 1808469, 2411292, 3616938, 5425407, 7233876, 10850814, 21701628]

約数ペア:

[(1, 21701628), (2, 10850814), (3, 7233876), (4, 5425407), (6, 3616938), (9, 2411292), (12, 1808469), (13, 1669356), (18, 1205646), (26, 834678), (27, 803764), (29, 748332), (36, 602823), (39, 556452), (41, 529308), (52, 417339), (54, 401882), (58, 374166), (78, 278226), (82, 264654), (87, 249444), (108, 200941), (116, 187083), (117, 185484), (123, 176436), (156, 139113), (164, 132327), (169, 128412), (174, 124722), (234, 92742), (246, 88218), (261, 83148), (338, 64206), (348, 62361), (351, 61828), (369, 58812), (377, 57564), (468, 46371), (492, 44109), (507, 42804), (522, 41574), (533, 40716), (676, 32103), (702, 30914), (738, 29406), (754, 28782), (783, 27716), (1014, 21402), (1044, 20787), (1066, 20358), (1107, 19604), (1131, 19188), (1189, 18252), (1404, 15457), (1476, 14703), (1508, 14391), (1521, 14268), (1566, 13858), (1599, 13572), (2028, 10701), (2132, 10179), (2214, 9802), (2262, 9594), (2378, 9126), (3042, 7134), (3132, 6929), (3198, 6786), (3393, 6396), (3567, 6084), (4428, 4901), (4524, 4797), (4563, 4756)]