21422142716

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{379}}^1\times {\mathrm{20509}}^1$

素因数の和:20958

約数の個数: 48

約数和(自身を含む): 41244789600

約数和(自身を除く): 19822646884

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 379, 689, 758, 1378, 1516, 2756, 4927, 9854, 19708, 20087, 20509, 40174, 41018, 80348, 82036, 261131, 266617, 522262, 533234, 1044524, 1066468, 1086977, 2173954, 4347908, 7772911, 14130701, 15545822, 28261402, 31091644, 56522804, 101047843, 202095686, 404191372, 411964283, 823928566, 1647857132, 5355535679, 10711071358, 21422142716]

約数ペア:

[(1, 21422142716), (2, 10711071358), (4, 5355535679), (13, 1647857132), (26, 823928566), (52, 411964283), (53, 404191372), (106, 202095686), (212, 101047843), (379, 56522804), (689, 31091644), (758, 28261402), (1378, 15545822), (1516, 14130701), (2756, 7772911), (4927, 4347908), (9854, 2173954), (19708, 1086977), (20087, 1066468), (20509, 1044524), (40174, 533234), (41018, 522262), (80348, 266617), (82036, 261131)]