21239532

素因数分解:

$2^2\times 3^2\times {\mathrm{457}}^1\times {\mathrm{1291}}^1$

素因数の和:1758

約数の個数: 36

約数和(自身を含む): 53847976

約数和(自身を除く): 32608444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 457, 914, 1291, 1371, 1828, 2582, 2742, 3873, 4113, 5164, 5484, 7746, 8226, 11619, 15492, 16452, 23238, 46476, 589987, 1179974, 1769961, 2359948, 3539922, 5309883, 7079844, 10619766, 21239532]

約数ペア:

[(1, 21239532), (2, 10619766), (3, 7079844), (4, 5309883), (6, 3539922), (9, 2359948), (12, 1769961), (18, 1179974), (36, 589987), (457, 46476), (914, 23238), (1291, 16452), (1371, 15492), (1828, 11619), (2582, 8226), (2742, 7746), (3873, 5484), (4113, 5164)]