21364224

素因数分解:

$2^9\times 3^1\times 7^1\times {\mathrm{1987}}^1$

素因数の和:2015

約数の個数: 80

約数和(自身を含む): 65079168

約数和(自身を除く): 43714944

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 256, 336, 384, 448, 512, 672, 768, 896, 1344, 1536, 1792, 1987, 2688, 3584, 3974, 5376, 5961, 7948, 10752, 11922, 13909, 15896, 23844, 27818, 31792, 41727, 47688, 55636, 63584, 83454, 95376, 111272, 127168, 166908, 190752, 222544, 254336, 333816, 381504, 445088, 508672, 667632, 763008, 890176, 1017344, 1335264, 1526016, 1780352, 2670528, 3052032, 3560704, 5341056, 7121408, 10682112, 21364224]

約数ペア:

[(1, 21364224), (2, 10682112), (3, 7121408), (4, 5341056), (6, 3560704), (7, 3052032), (8, 2670528), (12, 1780352), (14, 1526016), (16, 1335264), (21, 1017344), (24, 890176), (28, 763008), (32, 667632), (42, 508672), (48, 445088), (56, 381504), (64, 333816), (84, 254336), (96, 222544), (112, 190752), (128, 166908), (168, 127168), (192, 111272), (224, 95376), (256, 83454), (336, 63584), (384, 55636), (448, 47688), (512, 41727), (672, 31792), (768, 27818), (896, 23844), (1344, 15896), (1536, 13909), (1792, 11922), (1987, 10752), (2688, 7948), (3584, 5961), (3974, 5376)]