21123055492

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{29023}}^1$

素因数の和:29201

約数の個数: 96

約数和(自身を含む): 49150402560

約数和(自身を除く): 28027347068

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 119, 139, 154, 187, 238, 278, 308, 374, 476, 556, 748, 973, 1309, 1529, 1946, 2363, 2618, 3058, 3892, 4726, 5236, 6116, 9452, 10703, 16541, 21406, 25993, 29023, 33082, 42812, 51986, 58046, 66164, 103972, 116092, 181951, 203161, 319253, 363902, 406322, 493391, 638506, 727804, 812644, 986782, 1277012, 1973564, 2234771, 3453737, 4034197, 4469542, 5427301, 6907474, 8068394, 8939084, 10854602, 13814948, 16136788, 21709204, 28239379, 37991107, 44376167, 56478758, 68581349, 75982214, 88752334, 112957516, 137162698, 151964428, 177504668, 274325396, 310633169, 480069443, 621266338, 754394839, 960138886, 1242532676, 1508789678, 1920277772, 3017579356, 5280763873, 10561527746, 21123055492]

約数ペア:

[(1, 21123055492), (2, 10561527746), (4, 5280763873), (7, 3017579356), (11, 1920277772), (14, 1508789678), (17, 1242532676), (22, 960138886), (28, 754394839), (34, 621266338), (44, 480069443), (68, 310633169), (77, 274325396), (119, 177504668), (139, 151964428), (154, 137162698), (187, 112957516), (238, 88752334), (278, 75982214), (308, 68581349), (374, 56478758), (476, 44376167), (556, 37991107), (748, 28239379), (973, 21709204), (1309, 16136788), (1529, 13814948), (1946, 10854602), (2363, 8939084), (2618, 8068394), (3058, 6907474), (3892, 5427301), (4726, 4469542), (5236, 4034197), (6116, 3453737), (9452, 2234771), (10703, 1973564), (16541, 1277012), (21406, 986782), (25993, 812644), (29023, 727804), (33082, 638506), (42812, 493391), (51986, 406322), (58046, 363902), (66164, 319253), (103972, 203161), (116092, 181951)]