21533484

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{659}}^1$

素因数の和:1062

約数の個数: 48

約数和(自身を含む): 57657600

約数和(自身を除く): 36124116

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 389, 659, 778, 1167, 1318, 1556, 1977, 2334, 2636, 2723, 3954, 4613, 4668, 5446, 7908, 8169, 9226, 10892, 13839, 16338, 18452, 27678, 32676, 55356, 256351, 512702, 769053, 1025404, 1538106, 1794457, 3076212, 3588914, 5383371, 7177828, 10766742, 21533484]

約数ペア:

[(1, 21533484), (2, 10766742), (3, 7177828), (4, 5383371), (6, 3588914), (7, 3076212), (12, 1794457), (14, 1538106), (21, 1025404), (28, 769053), (42, 512702), (84, 256351), (389, 55356), (659, 32676), (778, 27678), (1167, 18452), (1318, 16338), (1556, 13839), (1977, 10892), (2334, 9226), (2636, 8169), (2723, 7908), (3954, 5446), (4613, 4668)]