21519195864

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{12011}}^1\times {\mathrm{3929}}^1$

素因数の和:15968

約数の個数: 64

約数和(自身を含む): 56648592000

約数和(自身を除く): 35129396136

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 228, 456, 3929, 7858, 11787, 12011, 15716, 23574, 24022, 31432, 36033, 47148, 48044, 72066, 74651, 94296, 96088, 144132, 149302, 223953, 228209, 288264, 298604, 447906, 456418, 597208, 684627, 895812, 912836, 1369254, 1791624, 1825672, 2738508, 5477016, 47191219, 94382438, 141573657, 188764876, 283147314, 377529752, 566294628, 896633161, 1132589256, 1793266322, 2689899483, 3586532644, 5379798966, 7173065288, 10759597932, 21519195864]

約数ペア:

[(1, 21519195864), (2, 10759597932), (3, 7173065288), (4, 5379798966), (6, 3586532644), (8, 2689899483), (12, 1793266322), (19, 1132589256), (24, 896633161), (38, 566294628), (57, 377529752), (76, 283147314), (114, 188764876), (152, 141573657), (228, 94382438), (456, 47191219), (3929, 5477016), (7858, 2738508), (11787, 1825672), (12011, 1791624), (15716, 1369254), (23574, 912836), (24022, 895812), (31432, 684627), (36033, 597208), (47148, 456418), (48044, 447906), (72066, 298604), (74651, 288264), (94296, 228209), (96088, 223953), (144132, 149302)]