21321552

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:161

約数の個数: 160

約数和(自身を含む): 68567040

約数和(自身を除く): 47245488

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 31, 42, 46, 48, 56, 62, 69, 84, 89, 92, 93, 112, 124, 138, 161, 168, 178, 184, 186, 217, 248, 267, 276, 322, 336, 356, 368, 372, 434, 483, 496, 534, 552, 623, 644, 651, 712, 713, 744, 868, 966, 1068, 1104, 1246, 1288, 1302, 1424, 1426, 1488, 1736, 1869, 1932, 2047, 2136, 2139, 2492, 2576, 2604, 2759, 2852, 3472, 3738, 3864, 4094, 4272, 4278, 4984, 4991, 5208, 5518, 5704, 6141, 7476, 7728, 8188, 8277, 8556, 9968, 9982, 10416, 11036, 11408, 12282, 14329, 14952, 14973, 16376, 16554, 17112, 19313, 19964, 22072, 24564, 28658, 29904, 29946, 32752, 33108, 34224, 38626, 39928, 42987, 44144, 49128, 57316, 57939, 59892, 63457, 66216, 77252, 79856, 85974, 98256, 114632, 115878, 119784, 126914, 132432, 154504, 171948, 190371, 229264, 231756, 239568, 253828, 309008, 343896, 380742, 444199, 463512, 507656, 687792, 761484, 888398, 927024, 1015312, 1332597, 1522968, 1776796, 2665194, 3045936, 3553592, 5330388, 7107184, 10660776, 21321552]

約数ペア:

[(1, 21321552), (2, 10660776), (3, 7107184), (4, 5330388), (6, 3553592), (7, 3045936), (8, 2665194), (12, 1776796), (14, 1522968), (16, 1332597), (21, 1015312), (23, 927024), (24, 888398), (28, 761484), (31, 687792), (42, 507656), (46, 463512), (48, 444199), (56, 380742), (62, 343896), (69, 309008), (84, 253828), (89, 239568), (92, 231756), (93, 229264), (112, 190371), (124, 171948), (138, 154504), (161, 132432), (168, 126914), (178, 119784), (184, 115878), (186, 114632), (217, 98256), (248, 85974), (267, 79856), (276, 77252), (322, 66216), (336, 63457), (356, 59892), (368, 57939), (372, 57316), (434, 49128), (483, 44144), (496, 42987), (534, 39928), (552, 38626), (623, 34224), (644, 33108), (651, 32752), (712, 29946), (713, 29904), (744, 28658), (868, 24564), (966, 22072), (1068, 19964), (1104, 19313), (1246, 17112), (1288, 16554), (1302, 16376), (1424, 14973), (1426, 14952), (1488, 14329), (1736, 12282), (1869, 11408), (1932, 11036), (2047, 10416), (2136, 9982), (2139, 9968), (2492, 8556), (2576, 8277), (2604, 8188), (2759, 7728), (2852, 7476), (3472, 6141), (3738, 5704), (3864, 5518), (4094, 5208), (4272, 4991), (4278, 4984)]