21407862

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29983}}^1$

素因数の和:30012

約数の個数: 32

約数和(自身を含む): 51812352

約数和(自身を除く): 30404490

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 238, 357, 714, 29983, 59966, 89949, 179898, 209881, 419762, 509711, 629643, 1019422, 1259286, 1529133, 3058266, 3567977, 7135954, 10703931, 21407862]

約数ペア:

[(1, 21407862), (2, 10703931), (3, 7135954), (6, 3567977), (7, 3058266), (14, 1529133), (17, 1259286), (21, 1019422), (34, 629643), (42, 509711), (51, 419762), (102, 209881), (119, 179898), (238, 89949), (357, 59966), (714, 29983)]