21750783

素因数分解:

$3^1\times {\mathrm{29}}^2\times {\mathrm{37}}^1\times {\mathrm{233}}^1$

素因数の和:331

約数の個数: 24

約数和(自身を含む): 30979728

約数和(自身を除く): 9228945

約数列:

[1, 3, 29, 37, 87, 111, 233, 699, 841, 1073, 2523, 3219, 6757, 8621, 20271, 25863, 31117, 93351, 195953, 250009, 587859, 750027, 7250261, 21750783]

約数ペア:

[(1, 21750783), (3, 7250261), (29, 750027), (37, 587859), (87, 250009), (111, 195953), (233, 93351), (699, 31117), (841, 25863), (1073, 20271), (2523, 8621), (3219, 6757)]