21995136

素因数分解:

$2^7\times 3^2\times {\mathrm{61}}^1\times {\mathrm{313}}^1$

素因数の和:394

約数の個数: 96

約数和(自身を含む): 64536420

約数和(自身を除く): 42541284

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 61, 64, 72, 96, 122, 128, 144, 183, 192, 244, 288, 313, 366, 384, 488, 549, 576, 626, 732, 939, 976, 1098, 1152, 1252, 1464, 1878, 1952, 2196, 2504, 2817, 2928, 3756, 3904, 4392, 5008, 5634, 5856, 7512, 7808, 8784, 10016, 11268, 11712, 15024, 17568, 19093, 20032, 22536, 23424, 30048, 35136, 38186, 40064, 45072, 57279, 60096, 70272, 76372, 90144, 114558, 120192, 152744, 171837, 180288, 229116, 305488, 343674, 360576, 458232, 610976, 687348, 916464, 1221952, 1374696, 1832928, 2443904, 2749392, 3665856, 5498784, 7331712, 10997568, 21995136]

約数ペア:

[(1, 21995136), (2, 10997568), (3, 7331712), (4, 5498784), (6, 3665856), (8, 2749392), (9, 2443904), (12, 1832928), (16, 1374696), (18, 1221952), (24, 916464), (32, 687348), (36, 610976), (48, 458232), (61, 360576), (64, 343674), (72, 305488), (96, 229116), (122, 180288), (128, 171837), (144, 152744), (183, 120192), (192, 114558), (244, 90144), (288, 76372), (313, 70272), (366, 60096), (384, 57279), (488, 45072), (549, 40064), (576, 38186), (626, 35136), (732, 30048), (939, 23424), (976, 22536), (1098, 20032), (1152, 19093), (1252, 17568), (1464, 15024), (1878, 11712), (1952, 11268), (2196, 10016), (2504, 8784), (2817, 7808), (2928, 7512), (3756, 5856), (3904, 5634), (4392, 5008)]