21491196

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^2\times {\mathrm{6197}}^1$

素因数の和:6238

約数の個数: 36

約数和(自身を含む): 53278008

約数和(自身を除く): 31786812

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 289, 578, 867, 1156, 1734, 3468, 6197, 12394, 18591, 24788, 37182, 74364, 105349, 210698, 316047, 421396, 632094, 1264188, 1790933, 3581866, 5372799, 7163732, 10745598, 21491196]

約数ペア:

[(1, 21491196), (2, 10745598), (3, 7163732), (4, 5372799), (6, 3581866), (12, 1790933), (17, 1264188), (34, 632094), (51, 421396), (68, 316047), (102, 210698), (204, 105349), (289, 74364), (578, 37182), (867, 24788), (1156, 18591), (1734, 12394), (3468, 6197)]