21872410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{1153}}^1$

素因数の和:1438

約数の個数: 32

約数和(自身を含む): 45199872

約数和(自身を除く): 23327462

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 271, 542, 1153, 1355, 1897, 2306, 2710, 3794, 5765, 8071, 9485, 11530, 16142, 18970, 40355, 80710, 312463, 624926, 1562315, 2187241, 3124630, 4374482, 10936205, 21872410]

約数ペア:

[(1, 21872410), (2, 10936205), (5, 4374482), (7, 3124630), (10, 2187241), (14, 1562315), (35, 624926), (70, 312463), (271, 80710), (542, 40355), (1153, 18970), (1355, 16142), (1897, 11530), (2306, 9485), (2710, 8071), (3794, 5765)]