16821116

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{5303}}^1$

素因数の和:5381

約数の個数: 24

約数和(自身を含む): 32227104

約数和(自身を除く): 15405988

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 3172, 5303, 10606, 21212, 68939, 137878, 275756, 323483, 646966, 1293932, 4205279, 8410558, 16821116]

約数ペア:

[(1, 16821116), (2, 8410558), (4, 4205279), (13, 1293932), (26, 646966), (52, 323483), (61, 275756), (122, 137878), (244, 68939), (793, 21212), (1586, 10606), (3172, 5303)]