21369516

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{3797}}^1$

素因数の和:3878

約数の個数: 48

約数和(自身を含む): 57851136

約数和(自身を除く): 36481620

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 67, 84, 134, 201, 268, 402, 469, 804, 938, 1407, 1876, 2814, 3797, 5628, 7594, 11391, 15188, 22782, 26579, 45564, 53158, 79737, 106316, 159474, 254399, 318948, 508798, 763197, 1017596, 1526394, 1780793, 3052788, 3561586, 5342379, 7123172, 10684758, 21369516]

約数ペア:

[(1, 21369516), (2, 10684758), (3, 7123172), (4, 5342379), (6, 3561586), (7, 3052788), (12, 1780793), (14, 1526394), (21, 1017596), (28, 763197), (42, 508798), (67, 318948), (84, 254399), (134, 159474), (201, 106316), (268, 79737), (402, 53158), (469, 45564), (804, 26579), (938, 22782), (1407, 15188), (1876, 11391), (2814, 7594), (3797, 5628)]