21314897908

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{970447}}^1$

素因数の和:970504

約数の個数: 36

約数和(自身を含む): 41709855040

約数和(自身を除く): 20394957132

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 289, 323, 578, 646, 1156, 1292, 5491, 10982, 21964, 970447, 1940894, 3881788, 16497599, 18438493, 32995198, 36876986, 65990396, 73753972, 280459183, 313454381, 560918366, 626908762, 1121836732, 1253817524, 5328724477, 10657448954, 21314897908]

約数ペア:

[(1, 21314897908), (2, 10657448954), (4, 5328724477), (17, 1253817524), (19, 1121836732), (34, 626908762), (38, 560918366), (68, 313454381), (76, 280459183), (289, 73753972), (323, 65990396), (578, 36876986), (646, 32995198), (1156, 18438493), (1292, 16497599), (5491, 3881788), (10982, 1940894), (21964, 970447)]