21381684

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{33619}}^1$

素因数の和:33679

約数の個数: 24

約数和(自身を含む): 50833440

約数和(自身を除く): 29451756

約数列:

[1, 2, 3, 4, 6, 12, 53, 106, 159, 212, 318, 636, 33619, 67238, 100857, 134476, 201714, 403428, 1781807, 3563614, 5345421, 7127228, 10690842, 21381684]

約数ペア:

[(1, 21381684), (2, 10690842), (3, 7127228), (4, 5345421), (6, 3563614), (12, 1781807), (53, 403428), (106, 201714), (159, 134476), (212, 100857), (318, 67238), (636, 33619)]