21287081736

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{2081}}^1\times {\mathrm{4583}}^1$

素因数の和:6707

約数の個数: 96

約数和(自身を含む): 59553861120

約数和(自身を除く): 38266779384

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 93, 124, 186, 248, 279, 372, 558, 744, 1116, 2081, 2232, 4162, 4583, 6243, 8324, 9166, 12486, 13749, 16648, 18332, 18729, 24972, 27498, 36664, 37458, 41247, 49944, 54996, 64511, 74916, 82494, 109992, 129022, 142073, 149832, 164988, 193533, 258044, 284146, 329976, 387066, 426219, 516088, 568292, 580599, 774132, 852438, 1136584, 1161198, 1278657, 1548264, 1704876, 2322396, 2557314, 3409752, 4644792, 5114628, 9537223, 10229256, 19074446, 28611669, 38148892, 57223338, 76297784, 85835007, 114446676, 171670014, 228893352, 295653913, 343340028, 591307826, 686680056, 886961739, 1182615652, 1773923478, 2365231304, 2660885217, 3547846956, 5321770434, 7095693912, 10643540868, 21287081736]

約数ペア:

[(1, 21287081736), (2, 10643540868), (3, 7095693912), (4, 5321770434), (6, 3547846956), (8, 2660885217), (9, 2365231304), (12, 1773923478), (18, 1182615652), (24, 886961739), (31, 686680056), (36, 591307826), (62, 343340028), (72, 295653913), (93, 228893352), (124, 171670014), (186, 114446676), (248, 85835007), (279, 76297784), (372, 57223338), (558, 38148892), (744, 28611669), (1116, 19074446), (2081, 10229256), (2232, 9537223), (4162, 5114628), (4583, 4644792), (6243, 3409752), (8324, 2557314), (9166, 2322396), (12486, 1704876), (13749, 1548264), (16648, 1278657), (18332, 1161198), (18729, 1136584), (24972, 852438), (27498, 774132), (36664, 580599), (37458, 568292), (41247, 516088), (49944, 426219), (54996, 387066), (64511, 329976), (74916, 284146), (82494, 258044), (109992, 193533), (129022, 164988), (142073, 149832)]