21014028

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{83389}}^1$

素因数の和:83406

約数の個数: 36

約数和(自身を含む): 60707920

約数和(自身を除く): 39693892

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 83389, 166778, 250167, 333556, 500334, 583723, 750501, 1000668, 1167446, 1501002, 1751169, 2334892, 3002004, 3502338, 5253507, 7004676, 10507014, 21014028]

約数ペア:

[(1, 21014028), (2, 10507014), (3, 7004676), (4, 5253507), (6, 3502338), (7, 3002004), (9, 2334892), (12, 1751169), (14, 1501002), (18, 1167446), (21, 1000668), (28, 750501), (36, 583723), (42, 500334), (63, 333556), (84, 250167), (126, 166778), (252, 83389)]