21877883690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{734897}}^1$

素因数の和:735146

約数の個数: 32

約数和(自身を含む): 42594688080

約数和(自身を除く): 20716804390

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 229, 458, 1145, 2290, 2977, 5954, 14885, 29770, 734897, 1469794, 3674485, 7348970, 9553661, 19107322, 47768305, 95536610, 168291413, 336582826, 841457065, 1682914130, 2187788369, 4375576738, 10938941845, 21877883690]

約数ペア:

[(1, 21877883690), (2, 10938941845), (5, 4375576738), (10, 2187788369), (13, 1682914130), (26, 841457065), (65, 336582826), (130, 168291413), (229, 95536610), (458, 47768305), (1145, 19107322), (2290, 9553661), (2977, 7348970), (5954, 3674485), (14885, 1469794), (29770, 734897)]