21928220447

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{797}}^1\times {\mathrm{24413}}^1$

素因数の和:25247

約数の個数: 24

約数和(自身を含む): 26651884896

約数和(自身を除く): 4723664449

約数列:

[1, 7, 23, 49, 161, 797, 1127, 5579, 18331, 24413, 39053, 128317, 170891, 561499, 898219, 1196237, 3930493, 19457161, 27513451, 136200127, 447514703, 953400889, 3132602921, 21928220447]

約数ペア:

[(1, 21928220447), (7, 3132602921), (23, 953400889), (49, 447514703), (161, 136200127), (797, 27513451), (1127, 19457161), (5579, 3930493), (18331, 1196237), (24413, 898219), (39053, 561499), (128317, 170891)]