21078064

素因数分解:

$2^4\times 7^1\times {\mathrm{188197}}^1$

素因数の和:188212

約数の個数: 20

約数和(自身を含む): 46673104

約数和(自身を除く): 25595040

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 188197, 376394, 752788, 1317379, 1505576, 2634758, 3011152, 5269516, 10539032, 21078064]

約数ペア:

[(1, 21078064), (2, 10539032), (4, 5269516), (7, 3011152), (8, 2634758), (14, 1505576), (16, 1317379), (28, 752788), (56, 376394), (112, 188197)]