21167784

素因数分解:

$2^3\times 3^3\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:236

約数の個数: 128

約数和(自身を含む): 65664000

約数和(自身を除く): 44496216

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 44, 54, 59, 66, 72, 88, 99, 108, 118, 132, 151, 177, 198, 216, 236, 264, 297, 302, 354, 396, 453, 472, 531, 594, 604, 649, 708, 792, 906, 1062, 1188, 1208, 1298, 1359, 1416, 1593, 1661, 1812, 1947, 2124, 2376, 2596, 2718, 3186, 3322, 3624, 3894, 4077, 4248, 4983, 5192, 5436, 5841, 6372, 6644, 7788, 8154, 8909, 9966, 10872, 11682, 12744, 13288, 14949, 15576, 16308, 17523, 17818, 19932, 23364, 26727, 29898, 32616, 35046, 35636, 39864, 44847, 46728, 53454, 59796, 70092, 71272, 80181, 89694, 97999, 106908, 119592, 140184, 160362, 179388, 195998, 213816, 240543, 293997, 320724, 358776, 391996, 481086, 587994, 641448, 783992, 881991, 962172, 1175988, 1763982, 1924344, 2351976, 2645973, 3527964, 5291946, 7055928, 10583892, 21167784]

約数ペア:

[(1, 21167784), (2, 10583892), (3, 7055928), (4, 5291946), (6, 3527964), (8, 2645973), (9, 2351976), (11, 1924344), (12, 1763982), (18, 1175988), (22, 962172), (24, 881991), (27, 783992), (33, 641448), (36, 587994), (44, 481086), (54, 391996), (59, 358776), (66, 320724), (72, 293997), (88, 240543), (99, 213816), (108, 195998), (118, 179388), (132, 160362), (151, 140184), (177, 119592), (198, 106908), (216, 97999), (236, 89694), (264, 80181), (297, 71272), (302, 70092), (354, 59796), (396, 53454), (453, 46728), (472, 44847), (531, 39864), (594, 35636), (604, 35046), (649, 32616), (708, 29898), (792, 26727), (906, 23364), (1062, 19932), (1188, 17818), (1208, 17523), (1298, 16308), (1359, 15576), (1416, 14949), (1593, 13288), (1661, 12744), (1812, 11682), (1947, 10872), (2124, 9966), (2376, 8909), (2596, 8154), (2718, 7788), (3186, 6644), (3322, 6372), (3624, 5841), (3894, 5436), (4077, 5192), (4248, 4983)]