21218688

素因数分解:

$2^7\times 3^2\times {\mathrm{113}}^1\times {\mathrm{163}}^1$

素因数の和:296

約数の個数: 96

約数和(自身を含む): 61977240

約数和(自身を除く): 40758552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 113, 128, 144, 163, 192, 226, 288, 326, 339, 384, 452, 489, 576, 652, 678, 904, 978, 1017, 1152, 1304, 1356, 1467, 1808, 1956, 2034, 2608, 2712, 2934, 3616, 3912, 4068, 5216, 5424, 5868, 7232, 7824, 8136, 10432, 10848, 11736, 14464, 15648, 16272, 18419, 20864, 21696, 23472, 31296, 32544, 36838, 43392, 46944, 55257, 62592, 65088, 73676, 93888, 110514, 130176, 147352, 165771, 187776, 221028, 294704, 331542, 442056, 589408, 663084, 884112, 1178816, 1326168, 1768224, 2357632, 2652336, 3536448, 5304672, 7072896, 10609344, 21218688]

約数ペア:

[(1, 21218688), (2, 10609344), (3, 7072896), (4, 5304672), (6, 3536448), (8, 2652336), (9, 2357632), (12, 1768224), (16, 1326168), (18, 1178816), (24, 884112), (32, 663084), (36, 589408), (48, 442056), (64, 331542), (72, 294704), (96, 221028), (113, 187776), (128, 165771), (144, 147352), (163, 130176), (192, 110514), (226, 93888), (288, 73676), (326, 65088), (339, 62592), (384, 55257), (452, 46944), (489, 43392), (576, 36838), (652, 32544), (678, 31296), (904, 23472), (978, 21696), (1017, 20864), (1152, 18419), (1304, 16272), (1356, 15648), (1467, 14464), (1808, 11736), (1956, 10848), (2034, 10432), (2608, 8136), (2712, 7824), (2934, 7232), (3616, 5868), (3912, 5424), (4068, 5216)]