21829731

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^4\times {\mathrm{71}}^1$

素因数の和:125

約数の個数: 40

約数和(自身を含む): 37105920

約数和(自身を除く): 15276189

約数列:

[1, 3, 7, 11, 21, 33, 71, 77, 121, 213, 231, 363, 497, 781, 847, 1331, 1491, 2343, 2541, 3993, 5467, 8591, 9317, 14641, 16401, 25773, 27951, 43923, 60137, 94501, 102487, 180411, 283503, 307461, 661507, 1039511, 1984521, 3118533, 7276577, 21829731]

約数ペア:

[(1, 21829731), (3, 7276577), (7, 3118533), (11, 1984521), (21, 1039511), (33, 661507), (71, 307461), (77, 283503), (121, 180411), (213, 102487), (231, 94501), (363, 60137), (497, 43923), (781, 27951), (847, 25773), (1331, 16401), (1491, 14641), (2343, 9317), (2541, 8591), (3993, 5467)]