21367680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1$

素因数の和:412

約数の個数: 128

約数和(自身を含む): 70502400

約数和(自身を除く): 49134720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 310, 320, 359, 372, 384, 465, 480, 496, 620, 640, 718, 744, 930, 960, 992, 1077, 1240, 1436, 1488, 1795, 1860, 1920, 1984, 2154, 2480, 2872, 2976, 3590, 3720, 3968, 4308, 4960, 5385, 5744, 5952, 7180, 7440, 8616, 9920, 10770, 11129, 11488, 11904, 14360, 14880, 17232, 19840, 21540, 22258, 22976, 28720, 29760, 33387, 34464, 43080, 44516, 45952, 55645, 57440, 59520, 66774, 68928, 86160, 89032, 111290, 114880, 133548, 137856, 166935, 172320, 178064, 222580, 229760, 267096, 333870, 344640, 356128, 445160, 534192, 667740, 689280, 712256, 890320, 1068384, 1335480, 1424512, 1780640, 2136768, 2670960, 3561280, 4273536, 5341920, 7122560, 10683840, 21367680]

約数ペア:

[(1, 21367680), (2, 10683840), (3, 7122560), (4, 5341920), (5, 4273536), (6, 3561280), (8, 2670960), (10, 2136768), (12, 1780640), (15, 1424512), (16, 1335480), (20, 1068384), (24, 890320), (30, 712256), (31, 689280), (32, 667740), (40, 534192), (48, 445160), (60, 356128), (62, 344640), (64, 333870), (80, 267096), (93, 229760), (96, 222580), (120, 178064), (124, 172320), (128, 166935), (155, 137856), (160, 133548), (186, 114880), (192, 111290), (240, 89032), (248, 86160), (310, 68928), (320, 66774), (359, 59520), (372, 57440), (384, 55645), (465, 45952), (480, 44516), (496, 43080), (620, 34464), (640, 33387), (718, 29760), (744, 28720), (930, 22976), (960, 22258), (992, 21540), (1077, 19840), (1240, 17232), (1436, 14880), (1488, 14360), (1795, 11904), (1860, 11488), (1920, 11129), (1984, 10770), (2154, 9920), (2480, 8616), (2872, 7440), (2976, 7180), (3590, 5952), (3720, 5744), (3968, 5385), (4308, 4960)]