21411264

素因数分解:

$2^6\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:290

約数の個数: 112

約数和(自身を含む): 65836800

約数和(自身を除く): 44425536

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 89, 96, 112, 168, 178, 179, 192, 224, 267, 336, 356, 358, 448, 534, 537, 623, 672, 712, 716, 1068, 1074, 1246, 1253, 1344, 1424, 1432, 1869, 2136, 2148, 2492, 2506, 2848, 2864, 3738, 3759, 4272, 4296, 4984, 5012, 5696, 5728, 7476, 7518, 8544, 8592, 9968, 10024, 11456, 14952, 15036, 15931, 17088, 17184, 19936, 20048, 29904, 30072, 31862, 34368, 39872, 40096, 47793, 59808, 60144, 63724, 80192, 95586, 111517, 119616, 120288, 127448, 191172, 223034, 240576, 254896, 334551, 382344, 446068, 509792, 669102, 764688, 892136, 1019584, 1338204, 1529376, 1784272, 2676408, 3058752, 3568544, 5352816, 7137088, 10705632, 21411264]

約数ペア:

[(1, 21411264), (2, 10705632), (3, 7137088), (4, 5352816), (6, 3568544), (7, 3058752), (8, 2676408), (12, 1784272), (14, 1529376), (16, 1338204), (21, 1019584), (24, 892136), (28, 764688), (32, 669102), (42, 509792), (48, 446068), (56, 382344), (64, 334551), (84, 254896), (89, 240576), (96, 223034), (112, 191172), (168, 127448), (178, 120288), (179, 119616), (192, 111517), (224, 95586), (267, 80192), (336, 63724), (356, 60144), (358, 59808), (448, 47793), (534, 40096), (537, 39872), (623, 34368), (672, 31862), (712, 30072), (716, 29904), (1068, 20048), (1074, 19936), (1246, 17184), (1253, 17088), (1344, 15931), (1424, 15036), (1432, 14952), (1869, 11456), (2136, 10024), (2148, 9968), (2492, 8592), (2506, 8544), (2848, 7518), (2864, 7476), (3738, 5728), (3759, 5696), (4272, 5012), (4296, 4984)]