21574956

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:319

約数の個数: 96

約数和(自身を含む): 59270400

約数和(自身を除く): 37695444

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 29, 38, 39, 52, 57, 58, 76, 78, 87, 114, 116, 156, 174, 228, 247, 251, 348, 377, 494, 502, 551, 741, 753, 754, 988, 1004, 1102, 1131, 1482, 1506, 1508, 1653, 2204, 2262, 2964, 3012, 3263, 3306, 4524, 4769, 6526, 6612, 7163, 7279, 9538, 9789, 13052, 14307, 14326, 14558, 19076, 19578, 21489, 21837, 28614, 28652, 29116, 39156, 42978, 43674, 57228, 61997, 85956, 87348, 94627, 123994, 138301, 185991, 189254, 247988, 276602, 283881, 371982, 378508, 414903, 553204, 567762, 743964, 829806, 1135524, 1659612, 1797913, 3595826, 5393739, 7191652, 10787478, 21574956]

約数ペア:

[(1, 21574956), (2, 10787478), (3, 7191652), (4, 5393739), (6, 3595826), (12, 1797913), (13, 1659612), (19, 1135524), (26, 829806), (29, 743964), (38, 567762), (39, 553204), (52, 414903), (57, 378508), (58, 371982), (76, 283881), (78, 276602), (87, 247988), (114, 189254), (116, 185991), (156, 138301), (174, 123994), (228, 94627), (247, 87348), (251, 85956), (348, 61997), (377, 57228), (494, 43674), (502, 42978), (551, 39156), (741, 29116), (753, 28652), (754, 28614), (988, 21837), (1004, 21489), (1102, 19578), (1131, 19076), (1482, 14558), (1506, 14326), (1508, 14307), (1653, 13052), (2204, 9789), (2262, 9538), (2964, 7279), (3012, 7163), (3263, 6612), (3306, 6526), (4524, 4769)]