21856488

素因数分解:

$2^3\times 3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1013}}^1$

素因数の和:1082

約数の個数: 64

約数和(自身を含む): 58406400

約数和(自身を除く): 36549912

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 29, 31, 58, 62, 87, 93, 116, 124, 174, 186, 232, 248, 348, 372, 696, 744, 899, 1013, 1798, 2026, 2697, 3039, 3596, 4052, 5394, 6078, 7192, 8104, 10788, 12156, 21576, 24312, 29377, 31403, 58754, 62806, 88131, 94209, 117508, 125612, 176262, 188418, 235016, 251224, 352524, 376836, 705048, 753672, 910687, 1821374, 2732061, 3642748, 5464122, 7285496, 10928244, 21856488]

約数ペア:

[(1, 21856488), (2, 10928244), (3, 7285496), (4, 5464122), (6, 3642748), (8, 2732061), (12, 1821374), (24, 910687), (29, 753672), (31, 705048), (58, 376836), (62, 352524), (87, 251224), (93, 235016), (116, 188418), (124, 176262), (174, 125612), (186, 117508), (232, 94209), (248, 88131), (348, 62806), (372, 58754), (696, 31403), (744, 29377), (899, 24312), (1013, 21576), (1798, 12156), (2026, 10788), (2697, 8104), (3039, 7192), (3596, 6078), (4052, 5394)]