21377376

素因数分解:

$2^5\times 3^2\times {\mathrm{199}}^1\times {\mathrm{373}}^1$

素因数の和:588

約数の個数: 72

約数和(自身を含む): 61261200

約数和(自身を除く): 39883824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 199, 288, 373, 398, 597, 746, 796, 1119, 1194, 1492, 1592, 1791, 2238, 2388, 2984, 3184, 3357, 3582, 4476, 4776, 5968, 6368, 6714, 7164, 8952, 9552, 11936, 13428, 14328, 17904, 19104, 26856, 28656, 35808, 53712, 57312, 74227, 107424, 148454, 222681, 296908, 445362, 593816, 668043, 890724, 1187632, 1336086, 1781448, 2375264, 2672172, 3562896, 5344344, 7125792, 10688688, 21377376]

約数ペア:

[(1, 21377376), (2, 10688688), (3, 7125792), (4, 5344344), (6, 3562896), (8, 2672172), (9, 2375264), (12, 1781448), (16, 1336086), (18, 1187632), (24, 890724), (32, 668043), (36, 593816), (48, 445362), (72, 296908), (96, 222681), (144, 148454), (199, 107424), (288, 74227), (373, 57312), (398, 53712), (597, 35808), (746, 28656), (796, 26856), (1119, 19104), (1194, 17904), (1492, 14328), (1592, 13428), (1791, 11936), (2238, 9552), (2388, 8952), (2984, 7164), (3184, 6714), (3357, 6368), (3582, 5968), (4476, 4776)]