21735072

素因数分解:

$2^5\times 3^2\times {\mathrm{163}}^1\times {\mathrm{463}}^1$

素因数の和:642

約数の個数: 72

約数和(自身を含む): 62322624

約数和(自身を除く): 40587552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 163, 288, 326, 463, 489, 652, 926, 978, 1304, 1389, 1467, 1852, 1956, 2608, 2778, 2934, 3704, 3912, 4167, 5216, 5556, 5868, 7408, 7824, 8334, 11112, 11736, 14816, 15648, 16668, 22224, 23472, 33336, 44448, 46944, 66672, 75469, 133344, 150938, 226407, 301876, 452814, 603752, 679221, 905628, 1207504, 1358442, 1811256, 2415008, 2716884, 3622512, 5433768, 7245024, 10867536, 21735072]

約数ペア:

[(1, 21735072), (2, 10867536), (3, 7245024), (4, 5433768), (6, 3622512), (8, 2716884), (9, 2415008), (12, 1811256), (16, 1358442), (18, 1207504), (24, 905628), (32, 679221), (36, 603752), (48, 452814), (72, 301876), (96, 226407), (144, 150938), (163, 133344), (288, 75469), (326, 66672), (463, 46944), (489, 44448), (652, 33336), (926, 23472), (978, 22224), (1304, 16668), (1389, 15648), (1467, 14816), (1852, 11736), (1956, 11112), (2608, 8334), (2778, 7824), (2934, 7408), (3704, 5868), (3912, 5556), (4167, 5216)]