21144636

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{25537}}^1$

素因数の和:25570

約数の個数: 36

約数和(自身を含む): 55774992

約数和(自身を除く): 34630356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 828, 25537, 51074, 76611, 102148, 153222, 229833, 306444, 459666, 587351, 919332, 1174702, 1762053, 2349404, 3524106, 5286159, 7048212, 10572318, 21144636]

約数ペア:

[(1, 21144636), (2, 10572318), (3, 7048212), (4, 5286159), (6, 3524106), (9, 2349404), (12, 1762053), (18, 1174702), (23, 919332), (36, 587351), (46, 459666), (69, 306444), (92, 229833), (138, 153222), (207, 102148), (276, 76611), (414, 51074), (828, 25537)]