21517983792

素因数分解:

$2^4\times 3^2\times {\mathrm{103}}^1\times {\mathrm{193}}^1\times {\mathrm{7517}}^1$

素因数の和:7827

約数の個数: 120

約数和(自身を含む): 61128316704

約数和(自身を除く): 39610332912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 103, 144, 193, 206, 309, 386, 412, 579, 618, 772, 824, 927, 1158, 1236, 1544, 1648, 1737, 1854, 2316, 2472, 3088, 3474, 3708, 4632, 4944, 6948, 7416, 7517, 9264, 13896, 14832, 15034, 19879, 22551, 27792, 30068, 39758, 45102, 59637, 60136, 67653, 79516, 90204, 119274, 120272, 135306, 159032, 178911, 180408, 238548, 270612, 318064, 357822, 360816, 477096, 541224, 715644, 774251, 954192, 1082448, 1431288, 1450781, 1548502, 2322753, 2862576, 2901562, 3097004, 4352343, 4645506, 5803124, 6194008, 6968259, 8704686, 9291012, 11606248, 12388016, 13057029, 13936518, 17409372, 18582024, 23212496, 26114058, 27873036, 34818744, 37164048, 52228116, 55746072, 69637488, 104456232, 111492144, 149430443, 208912464, 298860886, 448291329, 597721772, 896582658, 1195443544, 1344873987, 1793165316, 2390887088, 2689747974, 3586330632, 5379495948, 7172661264, 10758991896, 21517983792]

約数ペア:

[(1, 21517983792), (2, 10758991896), (3, 7172661264), (4, 5379495948), (6, 3586330632), (8, 2689747974), (9, 2390887088), (12, 1793165316), (16, 1344873987), (18, 1195443544), (24, 896582658), (36, 597721772), (48, 448291329), (72, 298860886), (103, 208912464), (144, 149430443), (193, 111492144), (206, 104456232), (309, 69637488), (386, 55746072), (412, 52228116), (579, 37164048), (618, 34818744), (772, 27873036), (824, 26114058), (927, 23212496), (1158, 18582024), (1236, 17409372), (1544, 13936518), (1648, 13057029), (1737, 12388016), (1854, 11606248), (2316, 9291012), (2472, 8704686), (3088, 6968259), (3474, 6194008), (3708, 5803124), (4632, 4645506), (4944, 4352343), (6948, 3097004), (7416, 2901562), (7517, 2862576), (9264, 2322753), (13896, 1548502), (14832, 1450781), (15034, 1431288), (19879, 1082448), (22551, 954192), (27792, 774251), (30068, 715644), (39758, 541224), (45102, 477096), (59637, 360816), (60136, 357822), (67653, 318064), (79516, 270612), (90204, 238548), (119274, 180408), (120272, 178911), (135306, 159032)]