21752280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1831}}^1$

素因数の和:1862

約数の個数: 128

約数和(自身を含む): 79142400

約数和(自身を除く): 57390120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 88, 90, 99, 108, 110, 120, 132, 135, 165, 180, 198, 216, 220, 264, 270, 297, 330, 360, 396, 440, 495, 540, 594, 660, 792, 990, 1080, 1188, 1320, 1485, 1831, 1980, 2376, 2970, 3662, 3960, 5493, 5940, 7324, 9155, 10986, 11880, 14648, 16479, 18310, 20141, 21972, 27465, 32958, 36620, 40282, 43944, 49437, 54930, 60423, 65916, 73240, 80564, 82395, 98874, 100705, 109860, 120846, 131832, 161128, 164790, 181269, 197748, 201410, 219720, 241692, 247185, 302115, 329580, 362538, 395496, 402820, 483384, 494370, 543807, 604230, 659160, 725076, 805640, 906345, 988740, 1087614, 1208460, 1450152, 1812690, 1977480, 2175228, 2416920, 2719035, 3625380, 4350456, 5438070, 7250760, 10876140, 21752280]

約数ペア:

[(1, 21752280), (2, 10876140), (3, 7250760), (4, 5438070), (5, 4350456), (6, 3625380), (8, 2719035), (9, 2416920), (10, 2175228), (11, 1977480), (12, 1812690), (15, 1450152), (18, 1208460), (20, 1087614), (22, 988740), (24, 906345), (27, 805640), (30, 725076), (33, 659160), (36, 604230), (40, 543807), (44, 494370), (45, 483384), (54, 402820), (55, 395496), (60, 362538), (66, 329580), (72, 302115), (88, 247185), (90, 241692), (99, 219720), (108, 201410), (110, 197748), (120, 181269), (132, 164790), (135, 161128), (165, 131832), (180, 120846), (198, 109860), (216, 100705), (220, 98874), (264, 82395), (270, 80564), (297, 73240), (330, 65916), (360, 60423), (396, 54930), (440, 49437), (495, 43944), (540, 40282), (594, 36620), (660, 32958), (792, 27465), (990, 21972), (1080, 20141), (1188, 18310), (1320, 16479), (1485, 14648), (1831, 11880), (1980, 10986), (2376, 9155), (2970, 7324), (3662, 5940), (3960, 5493)]