21357226

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:219

約数の個数: 32

約数和(自身を含む): 36049536

約数和(自身を除く): 14692310

約数列:

[1, 2, 11, 22, 71, 113, 121, 142, 226, 242, 781, 1243, 1331, 1562, 2486, 2662, 8023, 8591, 13673, 16046, 17182, 27346, 88253, 94501, 150403, 176506, 189002, 300806, 970783, 1941566, 10678613, 21357226]

約数ペア:

[(1, 21357226), (2, 10678613), (11, 1941566), (22, 970783), (71, 300806), (113, 189002), (121, 176506), (142, 150403), (226, 94501), (242, 88253), (781, 27346), (1243, 17182), (1331, 16046), (1562, 13673), (2486, 8591), (2662, 8023)]