21262752

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:275

約数の個数: 144

約数和(自身を含む): 70761600

約数和(自身を除く): 49498848

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 53, 56, 63, 72, 84, 96, 106, 112, 126, 144, 159, 168, 199, 212, 224, 252, 288, 318, 336, 371, 398, 424, 477, 504, 597, 636, 672, 742, 796, 848, 954, 1008, 1113, 1194, 1272, 1393, 1484, 1592, 1696, 1791, 1908, 2016, 2226, 2388, 2544, 2786, 2968, 3184, 3339, 3582, 3816, 4179, 4452, 4776, 5088, 5572, 5936, 6368, 6678, 7164, 7632, 8358, 8904, 9552, 10547, 11144, 11872, 12537, 13356, 14328, 15264, 16716, 17808, 19104, 21094, 22288, 25074, 26712, 28656, 31641, 33432, 35616, 42188, 44576, 50148, 53424, 57312, 63282, 66864, 73829, 84376, 94923, 100296, 106848, 126564, 133728, 147658, 168752, 189846, 200592, 221487, 253128, 295316, 337504, 379692, 401184, 442974, 506256, 590632, 664461, 759384, 885948, 1012512, 1181264, 1328922, 1518768, 1771896, 2362528, 2657844, 3037536, 3543792, 5315688, 7087584, 10631376, 21262752]

約数ペア:

[(1, 21262752), (2, 10631376), (3, 7087584), (4, 5315688), (6, 3543792), (7, 3037536), (8, 2657844), (9, 2362528), (12, 1771896), (14, 1518768), (16, 1328922), (18, 1181264), (21, 1012512), (24, 885948), (28, 759384), (32, 664461), (36, 590632), (42, 506256), (48, 442974), (53, 401184), (56, 379692), (63, 337504), (72, 295316), (84, 253128), (96, 221487), (106, 200592), (112, 189846), (126, 168752), (144, 147658), (159, 133728), (168, 126564), (199, 106848), (212, 100296), (224, 94923), (252, 84376), (288, 73829), (318, 66864), (336, 63282), (371, 57312), (398, 53424), (424, 50148), (477, 44576), (504, 42188), (597, 35616), (636, 33432), (672, 31641), (742, 28656), (796, 26712), (848, 25074), (954, 22288), (1008, 21094), (1113, 19104), (1194, 17808), (1272, 16716), (1393, 15264), (1484, 14328), (1592, 13356), (1696, 12537), (1791, 11872), (1908, 11144), (2016, 10547), (2226, 9552), (2388, 8904), (2544, 8358), (2786, 7632), (2968, 7164), (3184, 6678), (3339, 6368), (3582, 5936), (3816, 5572), (4179, 5088), (4452, 4776)]