21195291264

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{7885153}}^1$

素因数の和:7885177

約数の個数: 64

約数和(自身を含む): 64342856640

約数和(自身を除く): 43147565376

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, 336, 384, 448, 672, 896, 1344, 2688, 7885153, 15770306, 23655459, 31540612, 47310918, 55196071, 63081224, 94621836, 110392142, 126162448, 165588213, 189243672, 220784284, 252324896, 331176426, 378487344, 441568568, 504649792, 662352852, 756974688, 883137136, 1009299584, 1324705704, 1513949376, 1766274272, 2649411408, 3027898752, 3532548544, 5298822816, 7065097088, 10597645632, 21195291264]

約数ペア:

[(1, 21195291264), (2, 10597645632), (3, 7065097088), (4, 5298822816), (6, 3532548544), (7, 3027898752), (8, 2649411408), (12, 1766274272), (14, 1513949376), (16, 1324705704), (21, 1009299584), (24, 883137136), (28, 756974688), (32, 662352852), (42, 504649792), (48, 441568568), (56, 378487344), (64, 331176426), (84, 252324896), (96, 220784284), (112, 189243672), (128, 165588213), (168, 126162448), (192, 110392142), (224, 94621836), (336, 63081224), (384, 55196071), (448, 47310918), (672, 31540612), (896, 23655459), (1344, 15770306), (2688, 7885153)]