21842955

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{11839}}^1$

素因数の和:11891

約数の個数: 24

約数和(自身を含む): 38787840

約数和(自身を除く): 16944885

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 11839, 35517, 59195, 106551, 177585, 485399, 532755, 1456197, 2426995, 4368591, 7280985, 21842955]

約数ペア:

[(1, 21842955), (3, 7280985), (5, 4368591), (9, 2426995), (15, 1456197), (41, 532755), (45, 485399), (123, 177585), (205, 106551), (369, 59195), (615, 35517), (1845, 11839)]