21436956

素因数分解:

$2^2\times 3^2\times {\mathrm{457}}^1\times {\mathrm{1303}}^1$

素因数の和:1770

約数の個数: 36

約数和(自身を含む): 54348112

約数和(自身を除く): 32911156

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 457, 914, 1303, 1371, 1828, 2606, 2742, 3909, 4113, 5212, 5484, 7818, 8226, 11727, 15636, 16452, 23454, 46908, 595471, 1190942, 1786413, 2381884, 3572826, 5359239, 7145652, 10718478, 21436956]

約数ペア:

[(1, 21436956), (2, 10718478), (3, 7145652), (4, 5359239), (6, 3572826), (9, 2381884), (12, 1786413), (18, 1190942), (36, 595471), (457, 46908), (914, 23454), (1303, 16452), (1371, 15636), (1828, 11727), (2606, 8226), (2742, 7818), (3909, 5484), (4113, 5212)]