21487464

素因数分解:

$2^3\times 3^3\times {\mathrm{31}}^1\times {\mathrm{3209}}^1$

素因数の和:3255

約数の個数: 64

約数和(自身を含む): 61632000

約数和(自身を除く): 40144536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 54, 62, 72, 93, 108, 124, 186, 216, 248, 279, 372, 558, 744, 837, 1116, 1674, 2232, 3209, 3348, 6418, 6696, 9627, 12836, 19254, 25672, 28881, 38508, 57762, 77016, 86643, 99479, 115524, 173286, 198958, 231048, 298437, 346572, 397916, 596874, 693144, 795832, 895311, 1193748, 1790622, 2387496, 2685933, 3581244, 5371866, 7162488, 10743732, 21487464]

約数ペア:

[(1, 21487464), (2, 10743732), (3, 7162488), (4, 5371866), (6, 3581244), (8, 2685933), (9, 2387496), (12, 1790622), (18, 1193748), (24, 895311), (27, 795832), (31, 693144), (36, 596874), (54, 397916), (62, 346572), (72, 298437), (93, 231048), (108, 198958), (124, 173286), (186, 115524), (216, 99479), (248, 86643), (279, 77016), (372, 57762), (558, 38508), (744, 28881), (837, 25672), (1116, 19254), (1674, 12836), (2232, 9627), (3209, 6696), (3348, 6418)]