21040844

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{367}}^1\times {\mathrm{1303}}^1$

素因数の和:1685

約数の個数: 24

約数和(自身を含む): 40309248

約数和(自身を除く): 19268404

約数列:

[1, 2, 4, 11, 22, 44, 367, 734, 1303, 1468, 2606, 4037, 5212, 8074, 14333, 16148, 28666, 57332, 478201, 956402, 1912804, 5260211, 10520422, 21040844]

約数ペア:

[(1, 21040844), (2, 10520422), (4, 5260211), (11, 1912804), (22, 956402), (44, 478201), (367, 57332), (734, 28666), (1303, 16148), (1468, 14333), (2606, 8074), (4037, 5212)]