21990096

素因数分解:

$2^4\times 3^3\times {\mathrm{109}}^1\times {\mathrm{467}}^1$

素因数の和:593

約数の個数: 80

約数和(自身を含む): 63835200

約数和(自身を除く): 41845104

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 109, 144, 216, 218, 327, 432, 436, 467, 654, 872, 934, 981, 1308, 1401, 1744, 1868, 1962, 2616, 2802, 2943, 3736, 3924, 4203, 5232, 5604, 5886, 7472, 7848, 8406, 11208, 11772, 12609, 15696, 16812, 22416, 23544, 25218, 33624, 47088, 50436, 50903, 67248, 100872, 101806, 152709, 201744, 203612, 305418, 407224, 458127, 610836, 814448, 916254, 1221672, 1374381, 1832508, 2443344, 2748762, 3665016, 5497524, 7330032, 10995048, 21990096]

約数ペア:

[(1, 21990096), (2, 10995048), (3, 7330032), (4, 5497524), (6, 3665016), (8, 2748762), (9, 2443344), (12, 1832508), (16, 1374381), (18, 1221672), (24, 916254), (27, 814448), (36, 610836), (48, 458127), (54, 407224), (72, 305418), (108, 203612), (109, 201744), (144, 152709), (216, 101806), (218, 100872), (327, 67248), (432, 50903), (436, 50436), (467, 47088), (654, 33624), (872, 25218), (934, 23544), (981, 22416), (1308, 16812), (1401, 15696), (1744, 12609), (1868, 11772), (1962, 11208), (2616, 8406), (2802, 7848), (2943, 7472), (3736, 5886), (3924, 5604), (4203, 5232)]