21338244

素因数分解:

$2^2\times 3^2\times {\mathrm{457}}^1\times {\mathrm{1297}}^1$

素因数の和:1764

約数の個数: 36

約数和(自身を含む): 54098044

約数和(自身を除く): 32759800

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 457, 914, 1297, 1371, 1828, 2594, 2742, 3891, 4113, 5188, 5484, 7782, 8226, 11673, 15564, 16452, 23346, 46692, 592729, 1185458, 1778187, 2370916, 3556374, 5334561, 7112748, 10669122, 21338244]

約数ペア:

[(1, 21338244), (2, 10669122), (3, 7112748), (4, 5334561), (6, 3556374), (9, 2370916), (12, 1778187), (18, 1185458), (36, 592729), (457, 46692), (914, 23346), (1297, 16452), (1371, 15564), (1828, 11673), (2594, 8226), (2742, 7782), (3891, 5484), (4113, 5188)]