21347004

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{3793}}^1$

素因数の和:3874

約数の個数: 48

約数和(自身を含む): 57790208

約数和(自身を除く): 36443204

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, 3793, 5628, 7586, 11379, 15172, 22758, 26551, 45516, 53102, 79653, 106204, 159306, 254131, 318612, 508262, 762393, 1016524, 1524786, 1778917, 3049572, 3557834, 5336751, 7115668, 10673502, 21347004]

約数ペア:

[(1, 21347004), (2, 10673502), (3, 7115668), (4, 5336751), (6, 3557834), (7, 3049572), (12, 1778917), (14, 1524786), (21, 1016524), (28, 762393), (42, 508262), (67, 318612), (84, 254131), (134, 159306), (201, 106204), (268, 79653), (402, 53102), (469, 45516), (804, 26551), (938, 22758), (1407, 15172), (1876, 11379), (2814, 7586), (3793, 5628)]