21803299

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{3457}}^1$

素因数の和:3534

約数の個数: 16

約数和(自身を含む): 26889408

約数和(自身を除く): 5086109

約数列:

[1, 7, 17, 53, 119, 371, 901, 3457, 6307, 24199, 58769, 183221, 411383, 1282547, 3114757, 21803299]

約数ペア:

[(1, 21803299), (7, 3114757), (17, 1282547), (53, 411383), (119, 183221), (371, 58769), (901, 24199), (3457, 6307)]