21193488

素因数分解:

$2^4\times 3^6\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:128

約数の個数: 140

約数和(自身を含む): 65055360

約数和(自身を除く): 43861872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 36, 46, 48, 54, 69, 72, 79, 81, 92, 108, 138, 144, 158, 162, 184, 207, 216, 237, 243, 276, 316, 324, 368, 414, 432, 474, 486, 552, 621, 632, 648, 711, 729, 828, 948, 972, 1104, 1242, 1264, 1296, 1422, 1458, 1656, 1817, 1863, 1896, 1944, 2133, 2484, 2844, 2916, 3312, 3634, 3726, 3792, 3888, 4266, 4968, 5451, 5589, 5688, 5832, 6399, 7268, 7452, 8532, 9936, 10902, 11178, 11376, 11664, 12798, 14536, 14904, 16353, 16767, 17064, 19197, 21804, 22356, 25596, 29072, 29808, 32706, 33534, 34128, 38394, 43608, 44712, 49059, 51192, 57591, 65412, 67068, 76788, 87216, 89424, 98118, 102384, 115182, 130824, 134136, 147177, 153576, 196236, 230364, 261648, 268272, 294354, 307152, 392472, 441531, 460728, 588708, 784944, 883062, 921456, 1177416, 1324593, 1766124, 2354832, 2649186, 3532248, 5298372, 7064496, 10596744, 21193488]

約数ペア:

[(1, 21193488), (2, 10596744), (3, 7064496), (4, 5298372), (6, 3532248), (8, 2649186), (9, 2354832), (12, 1766124), (16, 1324593), (18, 1177416), (23, 921456), (24, 883062), (27, 784944), (36, 588708), (46, 460728), (48, 441531), (54, 392472), (69, 307152), (72, 294354), (79, 268272), (81, 261648), (92, 230364), (108, 196236), (138, 153576), (144, 147177), (158, 134136), (162, 130824), (184, 115182), (207, 102384), (216, 98118), (237, 89424), (243, 87216), (276, 76788), (316, 67068), (324, 65412), (368, 57591), (414, 51192), (432, 49059), (474, 44712), (486, 43608), (552, 38394), (621, 34128), (632, 33534), (648, 32706), (711, 29808), (729, 29072), (828, 25596), (948, 22356), (972, 21804), (1104, 19197), (1242, 17064), (1264, 16767), (1296, 16353), (1422, 14904), (1458, 14536), (1656, 12798), (1817, 11664), (1863, 11376), (1896, 11178), (1944, 10902), (2133, 9936), (2484, 8532), (2844, 7452), (2916, 7268), (3312, 6399), (3634, 5832), (3726, 5688), (3792, 5589), (3888, 5451), (4266, 4968)]