21958272

素因数分解:

$2^7\times 3^2\times 7^2\times {\mathrm{389}}^1$

素因数の和:423

約数の個数: 144

約数和(自身を含む): 73692450

約数和(自身を除く): 51734178

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 64, 72, 84, 96, 98, 112, 126, 128, 144, 147, 168, 192, 196, 224, 252, 288, 294, 336, 384, 389, 392, 441, 448, 504, 576, 588, 672, 778, 784, 882, 896, 1008, 1152, 1167, 1176, 1344, 1556, 1568, 1764, 2016, 2334, 2352, 2688, 2723, 3112, 3136, 3501, 3528, 4032, 4668, 4704, 5446, 6224, 6272, 7002, 7056, 8064, 8169, 9336, 9408, 10892, 12448, 14004, 14112, 16338, 18672, 18816, 19061, 21784, 24507, 24896, 28008, 28224, 32676, 37344, 38122, 43568, 49014, 49792, 56016, 56448, 57183, 65352, 74688, 76244, 87136, 98028, 112032, 114366, 130704, 149376, 152488, 171549, 174272, 196056, 224064, 228732, 261408, 304976, 343098, 348544, 392112, 448128, 457464, 522816, 609952, 686196, 784224, 914928, 1045632, 1219904, 1372392, 1568448, 1829856, 2439808, 2744784, 3136896, 3659712, 5489568, 7319424, 10979136, 21958272]

約数ペア:

[(1, 21958272), (2, 10979136), (3, 7319424), (4, 5489568), (6, 3659712), (7, 3136896), (8, 2744784), (9, 2439808), (12, 1829856), (14, 1568448), (16, 1372392), (18, 1219904), (21, 1045632), (24, 914928), (28, 784224), (32, 686196), (36, 609952), (42, 522816), (48, 457464), (49, 448128), (56, 392112), (63, 348544), (64, 343098), (72, 304976), (84, 261408), (96, 228732), (98, 224064), (112, 196056), (126, 174272), (128, 171549), (144, 152488), (147, 149376), (168, 130704), (192, 114366), (196, 112032), (224, 98028), (252, 87136), (288, 76244), (294, 74688), (336, 65352), (384, 57183), (389, 56448), (392, 56016), (441, 49792), (448, 49014), (504, 43568), (576, 38122), (588, 37344), (672, 32676), (778, 28224), (784, 28008), (882, 24896), (896, 24507), (1008, 21784), (1152, 19061), (1167, 18816), (1176, 18672), (1344, 16338), (1556, 14112), (1568, 14004), (1764, 12448), (2016, 10892), (2334, 9408), (2352, 9336), (2688, 8169), (2723, 8064), (3112, 7056), (3136, 7002), (3501, 6272), (3528, 6224), (4032, 5446), (4668, 4704)]