21061713408

素因数分解:

$2^9\times 3^1\times {\mathrm{19}}^1\times {\mathrm{721687}}^1$

素因数の和:721727

約数の個数: 80

約数和(自身を含む): 59062945920

約数和(自身を除く): 38001232512

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 64, 76, 96, 114, 128, 152, 192, 228, 256, 304, 384, 456, 512, 608, 768, 912, 1216, 1536, 1824, 2432, 3648, 4864, 7296, 9728, 14592, 29184, 721687, 1443374, 2165061, 2886748, 4330122, 5773496, 8660244, 11546992, 13712053, 17320488, 23093984, 27424106, 34640976, 41136159, 46187968, 54848212, 69281952, 82272318, 92375936, 109696424, 138563904, 164544636, 184751872, 219392848, 277127808, 329089272, 369503744, 438785696, 554255616, 658178544, 877571392, 1108511232, 1316357088, 1755142784, 2632714176, 3510285568, 5265428352, 7020571136, 10530856704, 21061713408]

約数ペア:

[(1, 21061713408), (2, 10530856704), (3, 7020571136), (4, 5265428352), (6, 3510285568), (8, 2632714176), (12, 1755142784), (16, 1316357088), (19, 1108511232), (24, 877571392), (32, 658178544), (38, 554255616), (48, 438785696), (57, 369503744), (64, 329089272), (76, 277127808), (96, 219392848), (114, 184751872), (128, 164544636), (152, 138563904), (192, 109696424), (228, 92375936), (256, 82272318), (304, 69281952), (384, 54848212), (456, 46187968), (512, 41136159), (608, 34640976), (768, 27424106), (912, 23093984), (1216, 17320488), (1536, 13712053), (1824, 11546992), (2432, 8660244), (3648, 5773496), (4864, 4330122), (7296, 2886748), (9728, 2165061), (14592, 1443374), (29184, 721687)]