21889728

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:175

約数の個数: 168

約数和(自身を含む): 73700640

約数和(自身を除く): 51810912

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 61, 63, 64, 72, 84, 89, 96, 112, 122, 126, 144, 168, 178, 183, 192, 224, 244, 252, 267, 288, 336, 356, 366, 427, 448, 488, 504, 534, 549, 576, 623, 672, 712, 732, 801, 854, 976, 1008, 1068, 1098, 1246, 1281, 1344, 1424, 1464, 1602, 1708, 1869, 1952, 2016, 2136, 2196, 2492, 2562, 2848, 2928, 3204, 3416, 3738, 3843, 3904, 4032, 4272, 4392, 4984, 5124, 5429, 5607, 5696, 5856, 6408, 6832, 7476, 7686, 8544, 8784, 9968, 10248, 10858, 11214, 11712, 12816, 13664, 14952, 15372, 16287, 17088, 17568, 19936, 20496, 21716, 22428, 25632, 27328, 29904, 30744, 32574, 35136, 38003, 39872, 40992, 43432, 44856, 48861, 51264, 59808, 61488, 65148, 76006, 81984, 86864, 89712, 97722, 114009, 119616, 122976, 130296, 152012, 173728, 179424, 195444, 228018, 245952, 260592, 304024, 342027, 347456, 358848, 390888, 456036, 521184, 608048, 684054, 781776, 912072, 1042368, 1216096, 1368108, 1563552, 1824144, 2432192, 2736216, 3127104, 3648288, 5472432, 7296576, 10944864, 21889728]

約数ペア:

[(1, 21889728), (2, 10944864), (3, 7296576), (4, 5472432), (6, 3648288), (7, 3127104), (8, 2736216), (9, 2432192), (12, 1824144), (14, 1563552), (16, 1368108), (18, 1216096), (21, 1042368), (24, 912072), (28, 781776), (32, 684054), (36, 608048), (42, 521184), (48, 456036), (56, 390888), (61, 358848), (63, 347456), (64, 342027), (72, 304024), (84, 260592), (89, 245952), (96, 228018), (112, 195444), (122, 179424), (126, 173728), (144, 152012), (168, 130296), (178, 122976), (183, 119616), (192, 114009), (224, 97722), (244, 89712), (252, 86864), (267, 81984), (288, 76006), (336, 65148), (356, 61488), (366, 59808), (427, 51264), (448, 48861), (488, 44856), (504, 43432), (534, 40992), (549, 39872), (576, 38003), (623, 35136), (672, 32574), (712, 30744), (732, 29904), (801, 27328), (854, 25632), (976, 22428), (1008, 21716), (1068, 20496), (1098, 19936), (1246, 17568), (1281, 17088), (1344, 16287), (1424, 15372), (1464, 14952), (1602, 13664), (1708, 12816), (1869, 11712), (1952, 11214), (2016, 10858), (2136, 10248), (2196, 9968), (2492, 8784), (2562, 8544), (2848, 7686), (2928, 7476), (3204, 6832), (3416, 6408), (3738, 5856), (3843, 5696), (3904, 5607), (4032, 5429), (4272, 5124), (4392, 4984)]