21448128

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^2\times {\mathrm{661}}^1$

素因数の和:702

約数の個数: 84

約数和(自身を含む): 61542168

約数和(自身を除く): 40094040

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 156, 169, 192, 208, 312, 338, 416, 507, 624, 661, 676, 832, 1014, 1248, 1322, 1352, 1983, 2028, 2496, 2644, 2704, 3966, 4056, 5288, 5408, 7932, 8112, 8593, 10576, 10816, 15864, 16224, 17186, 21152, 25779, 31728, 32448, 34372, 42304, 51558, 63456, 68744, 103116, 111709, 126912, 137488, 206232, 223418, 274976, 335127, 412464, 446836, 549952, 670254, 824928, 893672, 1340508, 1649856, 1787344, 2681016, 3574688, 5362032, 7149376, 10724064, 21448128]

約数ペア:

[(1, 21448128), (2, 10724064), (3, 7149376), (4, 5362032), (6, 3574688), (8, 2681016), (12, 1787344), (13, 1649856), (16, 1340508), (24, 893672), (26, 824928), (32, 670254), (39, 549952), (48, 446836), (52, 412464), (64, 335127), (78, 274976), (96, 223418), (104, 206232), (156, 137488), (169, 126912), (192, 111709), (208, 103116), (312, 68744), (338, 63456), (416, 51558), (507, 42304), (624, 34372), (661, 32448), (676, 31728), (832, 25779), (1014, 21152), (1248, 17186), (1322, 16224), (1352, 15864), (1983, 10816), (2028, 10576), (2496, 8593), (2644, 8112), (2704, 7932), (3966, 5408), (4056, 5288)]