21328164

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1381}}^1$

素因数の和:1418

約数の個数: 96

約数和(自身を含む): 65009280

約数和(自身を除く): 43681116

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 27, 33, 36, 39, 44, 52, 54, 66, 78, 99, 108, 117, 132, 143, 156, 198, 234, 286, 297, 351, 396, 429, 468, 572, 594, 702, 858, 1188, 1287, 1381, 1404, 1716, 2574, 2762, 3861, 4143, 5148, 5524, 7722, 8286, 12429, 15191, 15444, 16572, 17953, 24858, 30382, 35906, 37287, 45573, 49716, 53859, 60764, 71812, 74574, 91146, 107718, 136719, 149148, 161577, 182292, 197483, 215436, 273438, 323154, 394966, 410157, 484731, 546876, 592449, 646308, 789932, 820314, 969462, 1184898, 1640628, 1777347, 1938924, 2369796, 3554694, 5332041, 7109388, 10664082, 21328164]

約数ペア:

[(1, 21328164), (2, 10664082), (3, 7109388), (4, 5332041), (6, 3554694), (9, 2369796), (11, 1938924), (12, 1777347), (13, 1640628), (18, 1184898), (22, 969462), (26, 820314), (27, 789932), (33, 646308), (36, 592449), (39, 546876), (44, 484731), (52, 410157), (54, 394966), (66, 323154), (78, 273438), (99, 215436), (108, 197483), (117, 182292), (132, 161577), (143, 149148), (156, 136719), (198, 107718), (234, 91146), (286, 74574), (297, 71812), (351, 60764), (396, 53859), (429, 49716), (468, 45573), (572, 37287), (594, 35906), (702, 30382), (858, 24858), (1188, 17953), (1287, 16572), (1381, 15444), (1404, 15191), (1716, 12429), (2574, 8286), (2762, 7722), (3861, 5524), (4143, 5148)]