21129024

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:300

約数の個数: 112

約数和(自身を含む): 65024000

約数和(自身を除く): 43894976

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 79, 84, 96, 112, 158, 168, 192, 199, 224, 237, 316, 336, 398, 448, 474, 553, 597, 632, 672, 796, 948, 1106, 1194, 1264, 1344, 1393, 1592, 1659, 1896, 2212, 2388, 2528, 2786, 3184, 3318, 3792, 4179, 4424, 4776, 5056, 5572, 6368, 6636, 7584, 8358, 8848, 9552, 11144, 12736, 13272, 15168, 15721, 16716, 17696, 19104, 22288, 26544, 31442, 33432, 35392, 38208, 44576, 47163, 53088, 62884, 66864, 89152, 94326, 106176, 110047, 125768, 133728, 188652, 220094, 251536, 267456, 330141, 377304, 440188, 503072, 660282, 754608, 880376, 1006144, 1320564, 1509216, 1760752, 2641128, 3018432, 3521504, 5282256, 7043008, 10564512, 21129024]

約数ペア:

[(1, 21129024), (2, 10564512), (3, 7043008), (4, 5282256), (6, 3521504), (7, 3018432), (8, 2641128), (12, 1760752), (14, 1509216), (16, 1320564), (21, 1006144), (24, 880376), (28, 754608), (32, 660282), (42, 503072), (48, 440188), (56, 377304), (64, 330141), (79, 267456), (84, 251536), (96, 220094), (112, 188652), (158, 133728), (168, 125768), (192, 110047), (199, 106176), (224, 94326), (237, 89152), (316, 66864), (336, 62884), (398, 53088), (448, 47163), (474, 44576), (553, 38208), (597, 35392), (632, 33432), (672, 31442), (796, 26544), (948, 22288), (1106, 19104), (1194, 17696), (1264, 16716), (1344, 15721), (1393, 15168), (1592, 13272), (1659, 12736), (1896, 11144), (2212, 9552), (2388, 8848), (2528, 8358), (2786, 7584), (3184, 6636), (3318, 6368), (3792, 5572), (4179, 5056), (4424, 4776)]