21130859974

素因数分解:

$2^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1621}}^1\times {\mathrm{4679}}^1$

素因数の和:6508

約数の個数: 32

約数和(自身を含む): 36436608000

約数和(自身を除く): 15305748026

約数列:

[1, 2, 7, 14, 199, 398, 1393, 1621, 2786, 3242, 4679, 9358, 11347, 22694, 32753, 65506, 322579, 645158, 931121, 1862242, 2258053, 4516106, 6517847, 7584659, 13035694, 15169318, 53092613, 106185226, 1509347141, 3018694282, 10565429987, 21130859974]

約数ペア:

[(1, 21130859974), (2, 10565429987), (7, 3018694282), (14, 1509347141), (199, 106185226), (398, 53092613), (1393, 15169318), (1621, 13035694), (2786, 7584659), (3242, 6517847), (4679, 4516106), (9358, 2258053), (11347, 1862242), (22694, 931121), (32753, 645158), (65506, 322579)]