21439968

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:360

約数の個数: 96

約数和(自身を含む): 62415360

約数和(自身を除く): 40975392

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 66, 79, 88, 96, 132, 158, 176, 237, 257, 264, 316, 352, 474, 514, 528, 632, 771, 869, 948, 1028, 1056, 1264, 1542, 1738, 1896, 2056, 2528, 2607, 2827, 3084, 3476, 3792, 4112, 5214, 5654, 6168, 6952, 7584, 8224, 8481, 10428, 11308, 12336, 13904, 16962, 20303, 20856, 22616, 24672, 27808, 33924, 40606, 41712, 45232, 60909, 67848, 81212, 83424, 90464, 121818, 135696, 162424, 223333, 243636, 271392, 324848, 446666, 487272, 649696, 669999, 893332, 974544, 1339998, 1786664, 1949088, 2679996, 3573328, 5359992, 7146656, 10719984, 21439968]

約数ペア:

[(1, 21439968), (2, 10719984), (3, 7146656), (4, 5359992), (6, 3573328), (8, 2679996), (11, 1949088), (12, 1786664), (16, 1339998), (22, 974544), (24, 893332), (32, 669999), (33, 649696), (44, 487272), (48, 446666), (66, 324848), (79, 271392), (88, 243636), (96, 223333), (132, 162424), (158, 135696), (176, 121818), (237, 90464), (257, 83424), (264, 81212), (316, 67848), (352, 60909), (474, 45232), (514, 41712), (528, 40606), (632, 33924), (771, 27808), (869, 24672), (948, 22616), (1028, 20856), (1056, 20303), (1264, 16962), (1542, 13904), (1738, 12336), (1896, 11308), (2056, 10428), (2528, 8481), (2607, 8224), (2827, 7584), (3084, 6952), (3476, 6168), (3792, 5654), (4112, 5214)]