21681576

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{43019}}^1$

素因数の和:43038

約数の個数: 48

約数和(自身を含む): 67111200

約数和(自身を除く): 45429624

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 43019, 86038, 129057, 172076, 258114, 301133, 344152, 387171, 516228, 602266, 774342, 903399, 1032456, 1204532, 1548684, 1806798, 2409064, 2710197, 3097368, 3613596, 5420394, 7227192, 10840788, 21681576]

約数ペア:

[(1, 21681576), (2, 10840788), (3, 7227192), (4, 5420394), (6, 3613596), (7, 3097368), (8, 2710197), (9, 2409064), (12, 1806798), (14, 1548684), (18, 1204532), (21, 1032456), (24, 903399), (28, 774342), (36, 602266), (42, 516228), (56, 387171), (63, 344152), (72, 301133), (84, 258114), (126, 172076), (168, 129057), (252, 86038), (504, 43019)]