21383505939

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{1009}}^1\times {\mathrm{2281}}^1$

素因数の和:3475

約数の個数: 32

約数和(自身を含む): 30239238400

約数和(自身を除く): 8855732461

約数列:

[1, 3, 19, 57, 163, 489, 1009, 2281, 3027, 3097, 6843, 9291, 19171, 43339, 57513, 130017, 164467, 371803, 493401, 1115409, 2301529, 3124873, 6904587, 7064257, 9374619, 21192771, 43729051, 131187153, 375149227, 1125447681, 7127835313, 21383505939]

約数ペア:

[(1, 21383505939), (3, 7127835313), (19, 1125447681), (57, 375149227), (163, 131187153), (489, 43729051), (1009, 21192771), (2281, 9374619), (3027, 7064257), (3097, 6904587), (6843, 3124873), (9291, 2301529), (19171, 1115409), (43339, 493401), (57513, 371803), (130017, 164467)]