21698304

素因数分解:

$2^8\times 3^1\times {\mathrm{19}}^1\times {\mathrm{1487}}^1$

素因数の和:1525

約数の個数: 72

約数和(自身を含む): 60829440

約数和(自身を除く): 39131136

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, 608, 768, 912, 1216, 1487, 1824, 2432, 2974, 3648, 4461, 4864, 5948, 7296, 8922, 11896, 14592, 17844, 23792, 28253, 35688, 47584, 56506, 71376, 84759, 95168, 113012, 142752, 169518, 190336, 226024, 285504, 339036, 380672, 452048, 571008, 678072, 904096, 1142016, 1356144, 1808192, 2712288, 3616384, 5424576, 7232768, 10849152, 21698304]

約数ペア:

[(1, 21698304), (2, 10849152), (3, 7232768), (4, 5424576), (6, 3616384), (8, 2712288), (12, 1808192), (16, 1356144), (19, 1142016), (24, 904096), (32, 678072), (38, 571008), (48, 452048), (57, 380672), (64, 339036), (76, 285504), (96, 226024), (114, 190336), (128, 169518), (152, 142752), (192, 113012), (228, 95168), (256, 84759), (304, 71376), (384, 56506), (456, 47584), (608, 35688), (768, 28253), (912, 23792), (1216, 17844), (1487, 14592), (1824, 11896), (2432, 8922), (2974, 7296), (3648, 5948), (4461, 4864)]