421564

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1$

素因数の和:106

約数の個数: 36

約数和(自身を含む): 886312

約数和(自身を除く): 464748

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 67, 121, 134, 143, 242, 268, 286, 484, 572, 737, 871, 1474, 1573, 1742, 2948, 3146, 3484, 6292, 8107, 9581, 16214, 19162, 32428, 38324, 105391, 210782, 421564]

約数ペア:

[(1, 421564), (2, 210782), (4, 105391), (11, 38324), (13, 32428), (22, 19162), (26, 16214), (44, 9581), (52, 8107), (67, 6292), (121, 3484), (134, 3146), (143, 2948), (242, 1742), (268, 1573), (286, 1474), (484, 871), (572, 737)]