21465288

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:132

約数の個数: 192

約数和(自身を含む): 70761600

約数和(自身を除く): 49296312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 17, 18, 19, 24, 26, 34, 36, 38, 39, 51, 52, 57, 68, 71, 72, 76, 78, 102, 104, 114, 117, 136, 142, 152, 153, 156, 171, 204, 213, 221, 228, 234, 247, 284, 306, 312, 323, 342, 408, 426, 442, 456, 468, 494, 568, 612, 639, 646, 663, 684, 741, 852, 884, 923, 936, 969, 988, 1207, 1224, 1278, 1292, 1326, 1349, 1368, 1482, 1704, 1768, 1846, 1938, 1976, 1989, 2223, 2414, 2556, 2584, 2652, 2698, 2769, 2907, 2964, 3621, 3692, 3876, 3978, 4047, 4199, 4446, 4828, 5112, 5304, 5396, 5538, 5814, 5928, 7242, 7384, 7752, 7956, 8094, 8307, 8398, 8892, 9656, 10792, 10863, 11076, 11628, 12141, 12597, 14484, 15691, 15912, 16188, 16614, 16796, 17537, 17784, 21726, 22152, 22933, 23256, 24282, 25194, 28968, 31382, 32376, 33228, 33592, 35074, 37791, 43452, 45866, 47073, 48564, 50388, 52611, 62764, 66456, 68799, 70148, 75582, 86904, 91732, 94146, 97128, 100776, 105222, 125528, 137598, 140296, 141219, 151164, 157833, 183464, 188292, 206397, 210444, 275196, 282438, 298129, 302328, 315666, 376584, 412794, 420888, 550392, 564876, 596258, 631332, 825588, 894387, 1129752, 1192516, 1262664, 1651176, 1788774, 2385032, 2683161, 3577548, 5366322, 7155096, 10732644, 21465288]

約数ペア:

[(1, 21465288), (2, 10732644), (3, 7155096), (4, 5366322), (6, 3577548), (8, 2683161), (9, 2385032), (12, 1788774), (13, 1651176), (17, 1262664), (18, 1192516), (19, 1129752), (24, 894387), (26, 825588), (34, 631332), (36, 596258), (38, 564876), (39, 550392), (51, 420888), (52, 412794), (57, 376584), (68, 315666), (71, 302328), (72, 298129), (76, 282438), (78, 275196), (102, 210444), (104, 206397), (114, 188292), (117, 183464), (136, 157833), (142, 151164), (152, 141219), (153, 140296), (156, 137598), (171, 125528), (204, 105222), (213, 100776), (221, 97128), (228, 94146), (234, 91732), (247, 86904), (284, 75582), (306, 70148), (312, 68799), (323, 66456), (342, 62764), (408, 52611), (426, 50388), (442, 48564), (456, 47073), (468, 45866), (494, 43452), (568, 37791), (612, 35074), (639, 33592), (646, 33228), (663, 32376), (684, 31382), (741, 28968), (852, 25194), (884, 24282), (923, 23256), (936, 22933), (969, 22152), (988, 21726), (1207, 17784), (1224, 17537), (1278, 16796), (1292, 16614), (1326, 16188), (1349, 15912), (1368, 15691), (1482, 14484), (1704, 12597), (1768, 12141), (1846, 11628), (1938, 11076), (1976, 10863), (1989, 10792), (2223, 9656), (2414, 8892), (2556, 8398), (2584, 8307), (2652, 8094), (2698, 7956), (2769, 7752), (2907, 7384), (2964, 7242), (3621, 5928), (3692, 5814), (3876, 5538), (3978, 5396), (4047, 5304), (4199, 5112), (4446, 4828)]