21561792

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:346

約数の個数: 112

約数和(自身を含む): 66519552

約数和(自身を除く): 44957760

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 61, 64, 84, 96, 112, 122, 168, 183, 192, 224, 244, 263, 336, 366, 427, 448, 488, 526, 672, 732, 789, 854, 976, 1052, 1281, 1344, 1464, 1578, 1708, 1841, 1952, 2104, 2562, 2928, 3156, 3416, 3682, 3904, 4208, 5124, 5523, 5856, 6312, 6832, 7364, 8416, 10248, 11046, 11712, 12624, 13664, 14728, 16043, 16832, 20496, 22092, 25248, 27328, 29456, 32086, 40992, 44184, 48129, 50496, 58912, 64172, 81984, 88368, 96258, 112301, 117824, 128344, 176736, 192516, 224602, 256688, 336903, 353472, 385032, 449204, 513376, 673806, 770064, 898408, 1026752, 1347612, 1540128, 1796816, 2695224, 3080256, 3593632, 5390448, 7187264, 10780896, 21561792]

約数ペア:

[(1, 21561792), (2, 10780896), (3, 7187264), (4, 5390448), (6, 3593632), (7, 3080256), (8, 2695224), (12, 1796816), (14, 1540128), (16, 1347612), (21, 1026752), (24, 898408), (28, 770064), (32, 673806), (42, 513376), (48, 449204), (56, 385032), (61, 353472), (64, 336903), (84, 256688), (96, 224602), (112, 192516), (122, 176736), (168, 128344), (183, 117824), (192, 112301), (224, 96258), (244, 88368), (263, 81984), (336, 64172), (366, 58912), (427, 50496), (448, 48129), (488, 44184), (526, 40992), (672, 32086), (732, 29456), (789, 27328), (854, 25248), (976, 22092), (1052, 20496), (1281, 16832), (1344, 16043), (1464, 14728), (1578, 13664), (1708, 12624), (1841, 11712), (1952, 11046), (2104, 10248), (2562, 8416), (2928, 7364), (3156, 6832), (3416, 6312), (3682, 5856), (3904, 5523), (4208, 5124)]