21363468

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1291}}^1$

素因数の和:1502

約数の個数: 48

約数和(自身を含む): 57302784

約数和(自身を除く): 35939316

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 197, 394, 591, 788, 1182, 1291, 1379, 2364, 2582, 2758, 3873, 4137, 5164, 5516, 7746, 8274, 9037, 15492, 16548, 18074, 27111, 36148, 54222, 108444, 254327, 508654, 762981, 1017308, 1525962, 1780289, 3051924, 3560578, 5340867, 7121156, 10681734, 21363468]

約数ペア:

[(1, 21363468), (2, 10681734), (3, 7121156), (4, 5340867), (6, 3560578), (7, 3051924), (12, 1780289), (14, 1525962), (21, 1017308), (28, 762981), (42, 508654), (84, 254327), (197, 108444), (394, 54222), (591, 36148), (788, 27111), (1182, 18074), (1291, 16548), (1379, 15492), (2364, 9037), (2582, 8274), (2758, 7746), (3873, 5516), (4137, 5164)]