21885360

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{1861}}^1$

素因数の和:1891

約数の個数: 120

約数和(自身を含む): 78963696

約数和(自身を除く): 57078336

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1861, 1960, 2352, 2940, 3722, 3920, 5583, 5880, 7444, 9305, 11166, 11760, 13027, 14888, 18610, 22332, 26054, 27915, 29776, 37220, 39081, 44664, 52108, 55830, 65135, 74440, 78162, 89328, 91189, 104216, 111660, 130270, 148880, 156324, 182378, 195405, 208432, 223320, 260540, 273567, 312648, 364756, 390810, 446640, 455945, 521080, 547134, 625296, 729512, 781620, 911890, 1042160, 1094268, 1367835, 1459024, 1563240, 1823780, 2188536, 2735670, 3126480, 3647560, 4377072, 5471340, 7295120, 10942680, 21885360]

約数ペア:

[(1, 21885360), (2, 10942680), (3, 7295120), (4, 5471340), (5, 4377072), (6, 3647560), (7, 3126480), (8, 2735670), (10, 2188536), (12, 1823780), (14, 1563240), (15, 1459024), (16, 1367835), (20, 1094268), (21, 1042160), (24, 911890), (28, 781620), (30, 729512), (35, 625296), (40, 547134), (42, 521080), (48, 455945), (49, 446640), (56, 390810), (60, 364756), (70, 312648), (80, 273567), (84, 260540), (98, 223320), (105, 208432), (112, 195405), (120, 182378), (140, 156324), (147, 148880), (168, 130270), (196, 111660), (210, 104216), (240, 91189), (245, 89328), (280, 78162), (294, 74440), (336, 65135), (392, 55830), (420, 52108), (490, 44664), (560, 39081), (588, 37220), (735, 29776), (784, 27915), (840, 26054), (980, 22332), (1176, 18610), (1470, 14888), (1680, 13027), (1861, 11760), (1960, 11166), (2352, 9305), (2940, 7444), (3722, 5880), (3920, 5583)]