21291239671

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{293}}^1\times {\mathrm{5573}}^1$

素因数の和:5955

約数の個数: 32

約数和(自身を含む): 24777990720

約数和(自身を除く): 3486751049

約数列:

[1, 13, 17, 59, 221, 293, 767, 1003, 3809, 4981, 5573, 13039, 17287, 64753, 72449, 94741, 224731, 293879, 328807, 1231633, 1632889, 3820427, 4274491, 5589719, 21227557, 27759113, 72666347, 96340451, 360868469, 1252425863, 1637787667, 21291239671]

約数ペア:

[(1, 21291239671), (13, 1637787667), (17, 1252425863), (59, 360868469), (221, 96340451), (293, 72666347), (767, 27759113), (1003, 21227557), (3809, 5589719), (4981, 4274491), (5573, 3820427), (13039, 1632889), (17287, 1231633), (64753, 328807), (72449, 293879), (94741, 224731)]