21749928

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{17099}}^1$

素因数の和:17161

約数の個数: 32

約数和(自身を含む): 55404000

約数和(自身を除く): 33654072

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 106, 159, 212, 318, 424, 636, 1272, 17099, 34198, 51297, 68396, 102594, 136792, 205188, 410376, 906247, 1812494, 2718741, 3624988, 5437482, 7249976, 10874964, 21749928]

約数ペア:

[(1, 21749928), (2, 10874964), (3, 7249976), (4, 5437482), (6, 3624988), (8, 2718741), (12, 1812494), (24, 906247), (53, 410376), (106, 205188), (159, 136792), (212, 102594), (318, 68396), (424, 51297), (636, 34198), (1272, 17099)]