21494301

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:353

約数の個数: 24

約数和(自身を含む): 30723840

約数和(自身を除く): 9229539

約数列:

[1, 3, 19, 57, 89, 223, 267, 361, 669, 1083, 1691, 4237, 5073, 12711, 19847, 32129, 59541, 80503, 96387, 241509, 377093, 1131279, 7164767, 21494301]

約数ペア:

[(1, 21494301), (3, 7164767), (19, 1131279), (57, 377093), (89, 241509), (223, 96387), (267, 80503), (361, 59541), (669, 32129), (1083, 19847), (1691, 12711), (4237, 5073)]