21745935

素因数分解:

$3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2039}}^1$

素因数の和:2132

約数の個数: 32

約数和(自身を含む): 39168000

約数和(自身を除く): 17422065

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 135, 237, 395, 711, 1185, 2039, 2133, 3555, 6117, 10195, 10665, 18351, 30585, 55053, 91755, 161081, 275265, 483243, 805405, 1449729, 2416215, 4349187, 7248645, 21745935]

約数ペア:

[(1, 21745935), (3, 7248645), (5, 4349187), (9, 2416215), (15, 1449729), (27, 805405), (45, 483243), (79, 275265), (135, 161081), (237, 91755), (395, 55053), (711, 30585), (1185, 18351), (2039, 10665), (2133, 10195), (3555, 6117)]