21403872

素因数分解:

$2^5\times 3^3\times 7^1\times {\mathrm{3539}}^1$

素因数の和:3565

約数の個数: 96

約数和(自身を含む): 71366400

約数和(自身を除く): 49962528

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 72, 84, 96, 108, 112, 126, 144, 168, 189, 216, 224, 252, 288, 336, 378, 432, 504, 672, 756, 864, 1008, 1512, 2016, 3024, 3539, 6048, 7078, 10617, 14156, 21234, 24773, 28312, 31851, 42468, 49546, 56624, 63702, 74319, 84936, 95553, 99092, 113248, 127404, 148638, 169872, 191106, 198184, 222957, 254808, 297276, 339744, 382212, 396368, 445914, 509616, 594552, 668871, 764424, 792736, 891828, 1019232, 1189104, 1337742, 1528848, 1783656, 2378208, 2675484, 3057696, 3567312, 5350968, 7134624, 10701936, 21403872]

約数ペア:

[(1, 21403872), (2, 10701936), (3, 7134624), (4, 5350968), (6, 3567312), (7, 3057696), (8, 2675484), (9, 2378208), (12, 1783656), (14, 1528848), (16, 1337742), (18, 1189104), (21, 1019232), (24, 891828), (27, 792736), (28, 764424), (32, 668871), (36, 594552), (42, 509616), (48, 445914), (54, 396368), (56, 382212), (63, 339744), (72, 297276), (84, 254808), (96, 222957), (108, 198184), (112, 191106), (126, 169872), (144, 148638), (168, 127404), (189, 113248), (216, 99092), (224, 95553), (252, 84936), (288, 74319), (336, 63702), (378, 56624), (432, 49546), (504, 42468), (672, 31851), (756, 28312), (864, 24773), (1008, 21234), (1512, 14156), (2016, 10617), (3024, 7078), (3539, 6048)]