21260826

素因数分解:

$2^1\times 3^3\times {\mathrm{47}}^1\times {\mathrm{8377}}^1$

素因数の和:8435

約数の個数: 32

約数和(自身を含む): 48257280

約数和(自身を除く): 26996454

約数列:

[1, 2, 3, 6, 9, 18, 27, 47, 54, 94, 141, 282, 423, 846, 1269, 2538, 8377, 16754, 25131, 50262, 75393, 150786, 226179, 393719, 452358, 787438, 1181157, 2362314, 3543471, 7086942, 10630413, 21260826]

約数ペア:

[(1, 21260826), (2, 10630413), (3, 7086942), (6, 3543471), (9, 2362314), (18, 1181157), (27, 787438), (47, 452358), (54, 393719), (94, 226179), (141, 150786), (282, 75393), (423, 50262), (846, 25131), (1269, 16754), (2538, 8377)]