21231684

素因数分解:

$2^2\times 3^2\times {\mathrm{367}}^1\times {\mathrm{1607}}^1$

素因数の和:1984

約数の個数: 36

約数和(自身を含む): 53848704

約数和(自身を除く): 32617020

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 367, 734, 1101, 1468, 1607, 2202, 3214, 3303, 4404, 4821, 6428, 6606, 9642, 13212, 14463, 19284, 28926, 57852, 589769, 1179538, 1769307, 2359076, 3538614, 5307921, 7077228, 10615842, 21231684]

約数ペア:

[(1, 21231684), (2, 10615842), (3, 7077228), (4, 5307921), (6, 3538614), (9, 2359076), (12, 1769307), (18, 1179538), (36, 589769), (367, 57852), (734, 28926), (1101, 19284), (1468, 14463), (1607, 13212), (2202, 9642), (3214, 6606), (3303, 6428), (4404, 4821)]