21152936

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{7127}}^1$

素因数の和:7193

約数の個数: 32

約数和(自身を含む): 46189440

約数和(自身を除く): 25036504

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 7127, 14254, 28508, 49889, 57016, 99778, 199556, 377731, 399112, 755462, 1510924, 2644117, 3021848, 5288234, 10576468, 21152936]

約数ペア:

[(1, 21152936), (2, 10576468), (4, 5288234), (7, 3021848), (8, 2644117), (14, 1510924), (28, 755462), (53, 399112), (56, 377731), (106, 199556), (212, 99778), (371, 57016), (424, 49889), (742, 28508), (1484, 14254), (2968, 7127)]