21843840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{367}}^1$

素因数の和:420

約数の個数: 128

約数和(自身を含む): 72069120

約数和(自身を除く): 50225280

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, 367, 372, 384, 465, 480, 496, 620, 640, 734, 744, 930, 960, 992, 1101, 1240, 1468, 1488, 1835, 1860, 1920, 1984, 2202, 2480, 2936, 2976, 3670, 3720, 3968, 4404, 4960, 5505, 5872, 5952, 7340, 7440, 8808, 9920, 11010, 11377, 11744, 11904, 14680, 14880, 17616, 19840, 22020, 22754, 23488, 29360, 29760, 34131, 35232, 44040, 45508, 46976, 56885, 58720, 59520, 68262, 70464, 88080, 91016, 113770, 117440, 136524, 140928, 170655, 176160, 182032, 227540, 234880, 273048, 341310, 352320, 364064, 455080, 546096, 682620, 704640, 728128, 910160, 1092192, 1365240, 1456256, 1820320, 2184384, 2730480, 3640640, 4368768, 5460960, 7281280, 10921920, 21843840]

約数ペア:

[(1, 21843840), (2, 10921920), (3, 7281280), (4, 5460960), (5, 4368768), (6, 3640640), (8, 2730480), (10, 2184384), (12, 1820320), (15, 1456256), (16, 1365240), (20, 1092192), (24, 910160), (30, 728128), (31, 704640), (32, 682620), (40, 546096), (48, 455080), (60, 364064), (62, 352320), (64, 341310), (80, 273048), (93, 234880), (96, 227540), (120, 182032), (124, 176160), (128, 170655), (155, 140928), (160, 136524), (186, 117440), (192, 113770), (240, 91016), (248, 88080), (310, 70464), (320, 68262), (367, 59520), (372, 58720), (384, 56885), (465, 46976), (480, 45508), (496, 44040), (620, 35232), (640, 34131), (734, 29760), (744, 29360), (930, 23488), (960, 22754), (992, 22020), (1101, 19840), (1240, 17616), (1468, 14880), (1488, 14680), (1835, 11904), (1860, 11744), (1920, 11377), (1984, 11010), (2202, 9920), (2480, 8808), (2936, 7440), (2976, 7340), (3670, 5952), (3720, 5872), (3968, 5505), (4404, 4960)]