21508712423

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{461}}^1\times {\mathrm{2243}}^1$

素因数の和:2807

約数の個数: 32

約数和(自身を含む): 24682420224

約数和(自身を除く): 3173707801

約数列:

[1, 11, 31, 61, 341, 461, 671, 1891, 2243, 5071, 14291, 20801, 24673, 28121, 69533, 136823, 157201, 309331, 764863, 871751, 1034023, 1505053, 4241513, 9589261, 11374253, 32054713, 46656643, 63075403, 352601843, 693829433, 1955337493, 21508712423]

約数ペア:

[(1, 21508712423), (11, 1955337493), (31, 693829433), (61, 352601843), (341, 63075403), (461, 46656643), (671, 32054713), (1891, 11374253), (2243, 9589261), (5071, 4241513), (14291, 1505053), (20801, 1034023), (24673, 871751), (28121, 764863), (69533, 309331), (136823, 157201)]