20211631258

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{613}}^1\times {\mathrm{6247}}^1$

素因数の和:6911

約数の個数: 64

約数和(自身を含む): 38669621760

約数和(自身を除く): 18457990502

約数列:

[1, 2, 7, 13, 14, 26, 29, 58, 91, 182, 203, 377, 406, 613, 754, 1226, 2639, 4291, 5278, 6247, 7969, 8582, 12494, 15938, 17777, 35554, 43729, 55783, 81211, 87458, 111566, 124439, 162422, 181163, 231101, 248878, 362326, 462202, 568477, 1136954, 1268141, 1617707, 2355119, 2536282, 3235414, 3829411, 4710238, 7658822, 16485833, 26805877, 32971666, 49782343, 53611754, 99564686, 111052919, 222105838, 348476401, 696952802, 777370433, 1443687947, 1554740866, 2887375894, 10105815629, 20211631258]

約数ペア:

[(1, 20211631258), (2, 10105815629), (7, 2887375894), (13, 1554740866), (14, 1443687947), (26, 777370433), (29, 696952802), (58, 348476401), (91, 222105838), (182, 111052919), (203, 99564686), (377, 53611754), (406, 49782343), (613, 32971666), (754, 26805877), (1226, 16485833), (2639, 7658822), (4291, 4710238), (5278, 3829411), (6247, 3235414), (7969, 2536282), (8582, 2355119), (12494, 1617707), (15938, 1268141), (17777, 1136954), (35554, 568477), (43729, 462202), (55783, 362326), (81211, 248878), (87458, 231101), (111566, 181163), (124439, 162422)]