21211002

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{69317}}^1$

素因数の和:69342

約数の個数: 24

約数和(自身を含む): 48661236

約数和(自身を除く): 27450234

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 69317, 138634, 207951, 415902, 623853, 1178389, 1247706, 2356778, 3535167, 7070334, 10605501, 21211002]

約数ペア:

[(1, 21211002), (2, 10605501), (3, 7070334), (6, 3535167), (9, 2356778), (17, 1247706), (18, 1178389), (34, 623853), (51, 415902), (102, 207951), (153, 138634), (306, 69317)]