21247584

素因数分解:

$2^5\times 3^1\times {\mathrm{23}}^1\times {\mathrm{9623}}^1$

素因数の和:9659

約数の個数: 48

約数和(自身を含む): 58205952

約数和(自身を除く): 36958368

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 69, 92, 96, 138, 184, 276, 368, 552, 736, 1104, 2208, 9623, 19246, 28869, 38492, 57738, 76984, 115476, 153968, 221329, 230952, 307936, 442658, 461904, 663987, 885316, 923808, 1327974, 1770632, 2655948, 3541264, 5311896, 7082528, 10623792, 21247584]

約数ペア:

[(1, 21247584), (2, 10623792), (3, 7082528), (4, 5311896), (6, 3541264), (8, 2655948), (12, 1770632), (16, 1327974), (23, 923808), (24, 885316), (32, 663987), (46, 461904), (48, 442658), (69, 307936), (92, 230952), (96, 221329), (138, 153968), (184, 115476), (276, 76984), (368, 57738), (552, 38492), (736, 28869), (1104, 19246), (2208, 9623)]