21989802

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{2879}}^1$

素因数の和:2970

約数の個数: 32

約数和(自身を含む): 47001600

約数和(自身を除く): 25011798

約数列:

[1, 2, 3, 6, 19, 38, 57, 67, 114, 134, 201, 402, 1273, 2546, 2879, 3819, 5758, 7638, 8637, 17274, 54701, 109402, 164103, 192893, 328206, 385786, 578679, 1157358, 3664967, 7329934, 10994901, 21989802]

約数ペア:

[(1, 21989802), (2, 10994901), (3, 7329934), (6, 3664967), (19, 1157358), (38, 578679), (57, 385786), (67, 328206), (114, 192893), (134, 164103), (201, 109402), (402, 54701), (1273, 17274), (2546, 8637), (2879, 7638), (3819, 5758)]