21744045

素因数分解:

$3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1013}}^1$

素因数の和:1083

約数の個数: 40

約数和(自身を含む): 39752856

約数和(自身を除く): 18008811

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 81, 135, 159, 265, 405, 477, 795, 1013, 1431, 2385, 3039, 4293, 5065, 7155, 9117, 15195, 21465, 27351, 45585, 53689, 82053, 136755, 161067, 268445, 410265, 483201, 805335, 1449603, 2416005, 4348809, 7248015, 21744045]

約数ペア:

[(1, 21744045), (3, 7248015), (5, 4348809), (9, 2416005), (15, 1449603), (27, 805335), (45, 483201), (53, 410265), (81, 268445), (135, 161067), (159, 136755), (265, 82053), (405, 53689), (477, 45585), (795, 27351), (1013, 21465), (1431, 15195), (2385, 9117), (3039, 7155), (4293, 5065)]