21403037768

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{367}}^1\times {\mathrm{929}}^1$

素因数の和:1387

約数の個数: 128

約数和(自身を含む): 49282560000

約数和(自身を除く): 27879522232

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 59, 76, 118, 133, 152, 236, 266, 367, 413, 472, 532, 734, 826, 929, 1064, 1121, 1468, 1652, 1858, 2242, 2569, 2936, 3304, 3716, 4484, 5138, 6503, 6973, 7432, 7847, 8968, 10276, 13006, 13946, 15694, 17651, 20552, 21653, 26012, 27892, 31388, 35302, 43306, 48811, 52024, 54811, 55784, 62776, 70604, 86612, 97622, 109622, 123557, 141208, 151571, 173224, 195244, 219244, 247114, 303142, 340943, 383677, 390488, 411407, 438488, 494228, 606284, 681886, 767354, 822814, 988456, 1041409, 1212568, 1363772, 1534708, 1645628, 2082818, 2386601, 2727544, 2879849, 3069416, 3291256, 4165636, 4773202, 5759698, 6477917, 7289863, 8331272, 9546404, 11519396, 12955834, 14579726, 19092808, 20115637, 23038792, 25911668, 29159452, 40231274, 45345419, 51823336, 58318904, 80462548, 90690838, 140809459, 160925096, 181381676, 281618918, 362763352, 382197103, 563237836, 764394206, 1126475672, 1528788412, 2675379721, 3057576824, 5350759442, 10701518884, 21403037768]

約数ペア:

[(1, 21403037768), (2, 10701518884), (4, 5350759442), (7, 3057576824), (8, 2675379721), (14, 1528788412), (19, 1126475672), (28, 764394206), (38, 563237836), (56, 382197103), (59, 362763352), (76, 281618918), (118, 181381676), (133, 160925096), (152, 140809459), (236, 90690838), (266, 80462548), (367, 58318904), (413, 51823336), (472, 45345419), (532, 40231274), (734, 29159452), (826, 25911668), (929, 23038792), (1064, 20115637), (1121, 19092808), (1468, 14579726), (1652, 12955834), (1858, 11519396), (2242, 9546404), (2569, 8331272), (2936, 7289863), (3304, 6477917), (3716, 5759698), (4484, 4773202), (5138, 4165636), (6503, 3291256), (6973, 3069416), (7432, 2879849), (7847, 2727544), (8968, 2386601), (10276, 2082818), (13006, 1645628), (13946, 1534708), (15694, 1363772), (17651, 1212568), (20552, 1041409), (21653, 988456), (26012, 822814), (27892, 767354), (31388, 681886), (35302, 606284), (43306, 494228), (48811, 438488), (52024, 411407), (54811, 390488), (55784, 383677), (62776, 340943), (70604, 303142), (86612, 247114), (97622, 219244), (109622, 195244), (123557, 173224), (141208, 151571)]