21153408

素因数分解:

$2^7\times 3^1\times {\mathrm{31}}^1\times {\mathrm{1777}}^1$

素因数の和:1825

約数の個数: 64

約数和(自身を含む): 58033920

約数和(自身を除く): 36880512

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 128, 186, 192, 248, 372, 384, 496, 744, 992, 1488, 1777, 1984, 2976, 3554, 3968, 5331, 5952, 7108, 10662, 11904, 14216, 21324, 28432, 42648, 55087, 56864, 85296, 110174, 113728, 165261, 170592, 220348, 227456, 330522, 341184, 440696, 661044, 682368, 881392, 1322088, 1762784, 2644176, 3525568, 5288352, 7051136, 10576704, 21153408]

約数ペア:

[(1, 21153408), (2, 10576704), (3, 7051136), (4, 5288352), (6, 3525568), (8, 2644176), (12, 1762784), (16, 1322088), (24, 881392), (31, 682368), (32, 661044), (48, 440696), (62, 341184), (64, 330522), (93, 227456), (96, 220348), (124, 170592), (128, 165261), (186, 113728), (192, 110174), (248, 85296), (372, 56864), (384, 55087), (496, 42648), (744, 28432), (992, 21324), (1488, 14216), (1777, 11904), (1984, 10662), (2976, 7108), (3554, 5952), (3968, 5331)]