21227808

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1019}}^1$

素因数の和:1070

約数の個数: 96

約数和(自身を含む): 65802240

約数和(自身を除く): 44574432

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 56, 62, 84, 93, 96, 112, 124, 168, 186, 217, 224, 248, 336, 372, 434, 496, 651, 672, 744, 868, 992, 1019, 1302, 1488, 1736, 2038, 2604, 2976, 3057, 3472, 4076, 5208, 6114, 6944, 7133, 8152, 10416, 12228, 14266, 16304, 20832, 21399, 24456, 28532, 31589, 32608, 42798, 48912, 57064, 63178, 85596, 94767, 97824, 114128, 126356, 171192, 189534, 221123, 228256, 252712, 342384, 379068, 442246, 505424, 663369, 684768, 758136, 884492, 1010848, 1326738, 1516272, 1768984, 2653476, 3032544, 3537968, 5306952, 7075936, 10613904, 21227808]

約数ペア:

[(1, 21227808), (2, 10613904), (3, 7075936), (4, 5306952), (6, 3537968), (7, 3032544), (8, 2653476), (12, 1768984), (14, 1516272), (16, 1326738), (21, 1010848), (24, 884492), (28, 758136), (31, 684768), (32, 663369), (42, 505424), (48, 442246), (56, 379068), (62, 342384), (84, 252712), (93, 228256), (96, 221123), (112, 189534), (124, 171192), (168, 126356), (186, 114128), (217, 97824), (224, 94767), (248, 85596), (336, 63178), (372, 57064), (434, 48912), (496, 42798), (651, 32608), (672, 31589), (744, 28532), (868, 24456), (992, 21399), (1019, 20832), (1302, 16304), (1488, 14266), (1736, 12228), (2038, 10416), (2604, 8152), (2976, 7133), (3057, 6944), (3472, 6114), (4076, 5208)]