21513812404

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{251177}}^1$

素因数の和:251237

約数の個数: 72

約数和(自身を含む): 48105610560

約数和(自身を除く): 26591798156

約数列:

[1, 2, 4, 7, 14, 19, 23, 28, 38, 46, 49, 76, 92, 98, 133, 161, 196, 266, 322, 437, 532, 644, 874, 931, 1127, 1748, 1862, 2254, 3059, 3724, 4508, 6118, 12236, 21413, 42826, 85652, 251177, 502354, 1004708, 1758239, 3516478, 4772363, 5777071, 7032956, 9544726, 11554142, 12307673, 19089452, 23108284, 24615346, 33406541, 40439497, 49230692, 66813082, 80878994, 109764349, 133626164, 161757988, 219528698, 233845787, 283076479, 439057396, 467691574, 566152958, 768350443, 935383148, 1132305916, 1536700886, 3073401772, 5378453101, 10756906202, 21513812404]

約数ペア:

[(1, 21513812404), (2, 10756906202), (4, 5378453101), (7, 3073401772), (14, 1536700886), (19, 1132305916), (23, 935383148), (28, 768350443), (38, 566152958), (46, 467691574), (49, 439057396), (76, 283076479), (92, 233845787), (98, 219528698), (133, 161757988), (161, 133626164), (196, 109764349), (266, 80878994), (322, 66813082), (437, 49230692), (532, 40439497), (644, 33406541), (874, 24615346), (931, 23108284), (1127, 19089452), (1748, 12307673), (1862, 11554142), (2254, 9544726), (3059, 7032956), (3724, 5777071), (4508, 4772363), (6118, 3516478), (12236, 1758239), (21413, 1004708), (42826, 502354), (85652, 251177)]