21269462787

素因数分解:

$3^3\times {\mathrm{571}}^1\times {\mathrm{787}}^1\times {\mathrm{1753}}^1$

素因数の和:3120

約数の個数: 32

約数和(自身を含む): 31623637760

約数和(自身を除く): 10354174973

約数列:

[1, 3, 9, 27, 571, 787, 1713, 1753, 2361, 5139, 5259, 7083, 15417, 15777, 21249, 47331, 449377, 1000963, 1348131, 1379611, 3002889, 4044393, 4138833, 9008667, 12133179, 12416499, 27026001, 37249497, 787757881, 2363273643, 7089820929, 21269462787]

約数ペア:

[(1, 21269462787), (3, 7089820929), (9, 2363273643), (27, 787757881), (571, 37249497), (787, 27026001), (1713, 12416499), (1753, 12133179), (2361, 9008667), (5139, 4138833), (5259, 4044393), (7083, 3002889), (15417, 1379611), (15777, 1348131), (21249, 1000963), (47331, 449377)]