21177072

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:220

約数の個数: 160

約数和(自身を含む): 71424000

約数和(自身を除く): 50246928

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 47, 48, 54, 56, 63, 72, 84, 94, 108, 112, 126, 141, 144, 149, 168, 188, 189, 216, 252, 282, 298, 329, 336, 376, 378, 423, 432, 447, 504, 564, 596, 658, 752, 756, 846, 894, 987, 1008, 1043, 1128, 1192, 1269, 1316, 1341, 1512, 1692, 1788, 1974, 2086, 2256, 2384, 2538, 2632, 2682, 2961, 3024, 3129, 3384, 3576, 3948, 4023, 4172, 5076, 5264, 5364, 5922, 6258, 6768, 7003, 7152, 7896, 8046, 8344, 8883, 9387, 10152, 10728, 11844, 12516, 14006, 15792, 16092, 16688, 17766, 18774, 20304, 21009, 21456, 23688, 25032, 28012, 28161, 32184, 35532, 37548, 42018, 47376, 49021, 50064, 56024, 56322, 63027, 64368, 71064, 75096, 84036, 98042, 112048, 112644, 126054, 142128, 147063, 150192, 168072, 189081, 196084, 225288, 252108, 294126, 336144, 378162, 392168, 441189, 450576, 504216, 588252, 756324, 784336, 882378, 1008432, 1176504, 1323567, 1512648, 1764756, 2353008, 2647134, 3025296, 3529512, 5294268, 7059024, 10588536, 21177072]

約数ペア:

[(1, 21177072), (2, 10588536), (3, 7059024), (4, 5294268), (6, 3529512), (7, 3025296), (8, 2647134), (9, 2353008), (12, 1764756), (14, 1512648), (16, 1323567), (18, 1176504), (21, 1008432), (24, 882378), (27, 784336), (28, 756324), (36, 588252), (42, 504216), (47, 450576), (48, 441189), (54, 392168), (56, 378162), (63, 336144), (72, 294126), (84, 252108), (94, 225288), (108, 196084), (112, 189081), (126, 168072), (141, 150192), (144, 147063), (149, 142128), (168, 126054), (188, 112644), (189, 112048), (216, 98042), (252, 84036), (282, 75096), (298, 71064), (329, 64368), (336, 63027), (376, 56322), (378, 56024), (423, 50064), (432, 49021), (447, 47376), (504, 42018), (564, 37548), (596, 35532), (658, 32184), (752, 28161), (756, 28012), (846, 25032), (894, 23688), (987, 21456), (1008, 21009), (1043, 20304), (1128, 18774), (1192, 17766), (1269, 16688), (1316, 16092), (1341, 15792), (1512, 14006), (1692, 12516), (1788, 11844), (1974, 10728), (2086, 10152), (2256, 9387), (2384, 8883), (2538, 8344), (2632, 8046), (2682, 7896), (2961, 7152), (3024, 7003), (3129, 6768), (3384, 6258), (3576, 5922), (3948, 5364), (4023, 5264), (4172, 5076)]